Home / 874,502,609.25-1,311,753,913.98-292,236,854.81

Finding the Fourth Proportional to 874,502,609.25, 1,311,753,913.98 and 292,236,854.81

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Solution

The fourth proportional to 874,502,609.25, 1,311,753,913.98 and 292,236,854.81 is: 438,355,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,502,609.25 : 1,311,753,913.98 = 292,236,854.81 : x
  2. Step 2: Convert to fraction form
    874,502,609.25/1,311,753,913.98 = 292,236,854.81/x
  3. Step 3: Cross multiply
    874,502,609.25x = 1,311,753,913.98 × 292,236,854.81
  4. Step 4: Simplify right side
    874,502,609.25x = 383,342,838,104,761,280
  5. Step 5: Solve for x
    x = 383,342,838,104,761,280/874,502,609.25
  6. Step 6: Final answer
    x = 438,355,282.25

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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.