Home / 531,458,546.40-797,187,819.60-458,757,417.60

Finding the Fourth Proportional to 531,458,546.40, 797,187,819.60 and 458,757,417.60

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Solution

The fourth proportional to 531,458,546.40, 797,187,819.60 and 458,757,417.60 is: 688,136,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,458,546.40 : 797,187,819.60 = 458,757,417.60 : x
  2. Step 2: Convert to fraction form
    531,458,546.40/797,187,819.60 = 458,757,417.60/x
  3. Step 3: Cross multiply
    531,458,546.40x = 797,187,819.60 × 458,757,417.60
  4. Step 4: Simplify right side
    531,458,546.40x = 365,715,825,461,870,720
  5. Step 5: Solve for x
    x = 365,715,825,461,870,720/531,458,546.40
  6. Step 6: Final answer
    x = 688,136,126.40

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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.