Home / 387,096,031.40-580,644,047.10-223,837,356.20

Finding the Fourth Proportional to 387,096,031.40, 580,644,047.10 and 223,837,356.20

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Solution

The fourth proportional to 387,096,031.40, 580,644,047.10 and 223,837,356.20 is: 335,756,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,096,031.40 : 580,644,047.10 = 223,837,356.20 : x
  2. Step 2: Convert to fraction form
    387,096,031.40/580,644,047.10 = 223,837,356.20/x
  3. Step 3: Cross multiply
    387,096,031.40x = 580,644,047.10 × 223,837,356.20
  4. Step 4: Simplify right side
    387,096,031.40x = 129,969,828,396,132,272
  5. Step 5: Solve for x
    x = 129,969,828,396,132,272/387,096,031.40
  6. Step 6: Final answer
    x = 335,756,034.30

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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.