Home / 539,431,969.90-743,910,885.66-358,058,176.60

Finding the Fourth Proportional to 539,431,969.90, 743,910,885.66 and 358,058,176.60

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Solution

The fourth proportional to 539,431,969.90, 743,910,885.66 and 358,058,176.60 is: 493,784,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,431,969.90 : 743,910,885.66 = 358,058,176.60 : x
  2. Step 2: Convert to fraction form
    539,431,969.90/743,910,885.66 = 358,058,176.60/x
  3. Step 3: Cross multiply
    539,431,969.90x = 743,910,885.66 × 358,058,176.60
  4. Step 4: Simplify right side
    539,431,969.90x = 266,363,375,272,310,688
  5. Step 5: Solve for x
    x = 266,363,375,272,310,688/539,431,969.90
  6. Step 6: Final answer
    x = 493,784,925.88

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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.