Home / 1,090,147,208.55-1,635,220,812.83-1,005,966,954.15

Finding the Fourth Proportional to 1,090,147,208.55, 1,635,220,812.83 and 1,005,966,954.15

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Solution

The fourth proportional to 1,090,147,208.55, 1,635,220,812.83 and 1,005,966,954.15 is: 1,508,950,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,147,208.55 : 1,635,220,812.83 = 1,005,966,954.15 : x
  2. Step 2: Convert to fraction form
    1,090,147,208.55/1,635,220,812.83 = 1,005,966,954.15/x
  3. Step 3: Cross multiply
    1,090,147,208.55x = 1,635,220,812.83 × 1,005,966,954.15
  4. Step 4: Simplify right side
    1,090,147,208.55x = 1,644,978,100,440,252,416
  5. Step 5: Solve for x
    x = 1,644,978,100,440,252,416/1,090,147,208.55
  6. Step 6: Final answer
    x = 1,508,950,431.23

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Half scale
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Double scale
Find fourth proportional to 1,090,147,209.55, 1,635,220,814.33 and 1,005,966,955.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.