Home / 1,090,367,919.68-1,504,687,162.14-666,950,427.63

Finding the Fourth Proportional to 1,090,367,919.68, 1,504,687,162.14 and 666,950,427.63

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Solution

The fourth proportional to 1,090,367,919.68, 1,504,687,162.14 and 666,950,427.63 is: 920,379,009.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,367,919.68 : 1,504,687,162.14 = 666,950,427.63 : x
  2. Step 2: Convert to fraction form
    1,090,367,919.68/1,504,687,162.14 = 666,950,427.63/x
  3. Step 3: Cross multiply
    1,090,367,919.68x = 1,504,687,162.14 × 666,950,427.63
  4. Step 4: Simplify right side
    1,090,367,919.68x = 1,003,551,746,238,644,224
  5. Step 5: Solve for x
    x = 1,003,551,746,238,644,224/1,090,367,919.68
  6. Step 6: Final answer
    x = 920,379,009.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.