Home / 1,090,463,404.80-1,635,695,107.20-655,106,937.60

Finding the Fourth Proportional to 1,090,463,404.80, 1,635,695,107.20 and 655,106,937.60

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Solution

The fourth proportional to 1,090,463,404.80, 1,635,695,107.20 and 655,106,937.60 is: 982,660,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,463,404.80 : 1,635,695,107.20 = 655,106,937.60 : x
  2. Step 2: Convert to fraction form
    1,090,463,404.80/1,635,695,107.20 = 655,106,937.60/x
  3. Step 3: Cross multiply
    1,090,463,404.80x = 1,635,695,107.20 × 655,106,937.60
  4. Step 4: Simplify right side
    1,090,463,404.80x = 1,071,555,212,525,095,808
  5. Step 5: Solve for x
    x = 1,071,555,212,525,095,808/1,090,463,404.80
  6. Step 6: Final answer
    x = 982,660,406.40

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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.