Home / 579,225,905.40-868,838,858.10-268,332,920.40

Finding the Fourth Proportional to 579,225,905.40, 868,838,858.10 and 268,332,920.40

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Solution

The fourth proportional to 579,225,905.40, 868,838,858.10 and 268,332,920.40 is: 402,499,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,225,905.40 : 868,838,858.10 = 268,332,920.40 : x
  2. Step 2: Convert to fraction form
    579,225,905.40/868,838,858.10 = 268,332,920.40/x
  3. Step 3: Cross multiply
    579,225,905.40x = 868,838,858.10 × 268,332,920.40
  4. Step 4: Simplify right side
    579,225,905.40x = 233,138,068,150,974,208
  5. Step 5: Solve for x
    x = 233,138,068,150,974,208/579,225,905.40
  6. Step 6: Final answer
    x = 402,499,380.60

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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.