Home / 638,069,489.40-957,104,234.10-546,236,484.60

Finding the Fourth Proportional to 638,069,489.40, 957,104,234.10 and 546,236,484.60

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Solution

The fourth proportional to 638,069,489.40, 957,104,234.10 and 546,236,484.60 is: 819,354,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,069,489.40 : 957,104,234.10 = 546,236,484.60 : x
  2. Step 2: Convert to fraction form
    638,069,489.40/957,104,234.10 = 546,236,484.60/x
  3. Step 3: Cross multiply
    638,069,489.40x = 957,104,234.10 × 546,236,484.60
  4. Step 4: Simplify right side
    638,069,489.40x = 522,805,252,230,559,488
  5. Step 5: Solve for x
    x = 522,805,252,230,559,488/638,069,489.40
  6. Step 6: Final answer
    x = 819,354,726.90

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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.