Home / 579,314,296.20-868,971,444.30-215,733,419.40

Finding the Fourth Proportional to 579,314,296.20, 868,971,444.30 and 215,733,419.40

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Solution

The fourth proportional to 579,314,296.20, 868,971,444.30 and 215,733,419.40 is: 323,600,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,314,296.20 : 868,971,444.30 = 215,733,419.40 : x
  2. Step 2: Convert to fraction form
    579,314,296.20/868,971,444.30 = 215,733,419.40/x
  3. Step 3: Cross multiply
    579,314,296.20x = 868,971,444.30 × 215,733,419.40
  4. Step 4: Simplify right side
    579,314,296.20x = 187,466,181,039,795,648
  5. Step 5: Solve for x
    x = 187,466,181,039,795,648/579,314,296.20
  6. Step 6: Final answer
    x = 323,600,129.10

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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.