Home / 747,495,001.80-1,121,242,502.70-359,224,207.20

Finding the Fourth Proportional to 747,495,001.80, 1,121,242,502.70 and 359,224,207.20

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Solution

The fourth proportional to 747,495,001.80, 1,121,242,502.70 and 359,224,207.20 is: 538,836,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,495,001.80 : 1,121,242,502.70 = 359,224,207.20 : x
  2. Step 2: Convert to fraction form
    747,495,001.80/1,121,242,502.70 = 359,224,207.20/x
  3. Step 3: Cross multiply
    747,495,001.80x = 1,121,242,502.70 × 359,224,207.20
  4. Step 4: Simplify right side
    747,495,001.80x = 402,777,449,111,351,360
  5. Step 5: Solve for x
    x = 402,777,449,111,351,360/747,495,001.80
  6. Step 6: Final answer
    x = 538,836,310.80

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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.