Home / 344,924,593.60-517,386,890.40-172,428,030.40

Finding the Fourth Proportional to 344,924,593.60, 517,386,890.40 and 172,428,030.40

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Solution

The fourth proportional to 344,924,593.60, 517,386,890.40 and 172,428,030.40 is: 258,642,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,924,593.60 : 517,386,890.40 = 172,428,030.40 : x
  2. Step 2: Convert to fraction form
    344,924,593.60/517,386,890.40 = 172,428,030.40/x
  3. Step 3: Cross multiply
    344,924,593.60x = 517,386,890.40 × 172,428,030.40
  4. Step 4: Simplify right side
    344,924,593.60x = 89,212,002,466,452,672
  5. Step 5: Solve for x
    x = 89,212,002,466,452,672/344,924,593.60
  6. Step 6: Final answer
    x = 258,642,045.60

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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.