Home / 747,287,115.76-1,031,256,180.36-403,569,242.80

Finding the Fourth Proportional to 747,287,115.76, 1,031,256,180.36 and 403,569,242.80

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Solution

The fourth proportional to 747,287,115.76, 1,031,256,180.36 and 403,569,242.80 is: 556,925,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,287,115.76 : 1,031,256,180.36 = 403,569,242.80 : x
  2. Step 2: Convert to fraction form
    747,287,115.76/1,031,256,180.36 = 403,569,242.80/x
  3. Step 3: Cross multiply
    747,287,115.76x = 1,031,256,180.36 × 403,569,242.80
  4. Step 4: Simplify right side
    747,287,115.76x = 416,183,275,835,549,184
  5. Step 5: Solve for x
    x = 416,183,275,835,549,184/747,287,115.76
  6. Step 6: Final answer
    x = 556,925,533.79

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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.