Home / 531,454,347.40-797,181,521.10-458,753,218.60

Finding the Fourth Proportional to 531,454,347.40, 797,181,521.10 and 458,753,218.60

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Solution

The fourth proportional to 531,454,347.40, 797,181,521.10 and 458,753,218.60 is: 688,129,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,454,347.40 : 797,181,521.10 = 458,753,218.60 : x
  2. Step 2: Convert to fraction form
    531,454,347.40/797,181,521.10 = 458,753,218.60/x
  3. Step 3: Cross multiply
    531,454,347.40x = 797,181,521.10 × 458,753,218.60
  4. Step 4: Simplify right side
    531,454,347.40x = 365,709,588,613,068,864
  5. Step 5: Solve for x
    x = 365,709,588,613,068,864/531,454,347.40
  6. Step 6: Final answer
    x = 688,129,827.90

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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.