Home / 540,100,772.32-745,338,392.40-292,583,149.60

Finding the Fourth Proportional to 540,100,772.32, 745,338,392.40 and 292,583,149.60

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Solution

The fourth proportional to 540,100,772.32, 745,338,392.40 and 292,583,149.60 is: 403,764,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,100,772.32 : 745,338,392.40 = 292,583,149.60 : x
  2. Step 2: Convert to fraction form
    540,100,772.32/745,338,392.40 = 292,583,149.60/x
  3. Step 3: Cross multiply
    540,100,772.32x = 745,338,392.40 × 292,583,149.60
  4. Step 4: Simplify right side
    540,100,772.32x = 218,073,454,366,192,704
  5. Step 5: Solve for x
    x = 218,073,454,366,192,704/540,100,772.32
  6. Step 6: Final answer
    x = 403,764,381.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.