Home / 874,502,607.89-1,311,753,911.92-292,236,853.44

Finding the Fourth Proportional to 874,502,607.89, 1,311,753,911.92 and 292,236,853.44

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Solution

The fourth proportional to 874,502,607.89, 1,311,753,911.92 and 292,236,853.44 is: 438,355,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,502,607.89 : 1,311,753,911.92 = 292,236,853.44 : x
  2. Step 2: Convert to fraction form
    874,502,607.89/1,311,753,911.92 = 292,236,853.44/x
  3. Step 3: Cross multiply
    874,502,607.89x = 1,311,753,911.92 × 292,236,853.44
  4. Step 4: Simplify right side
    874,502,607.89x = 383,342,835,699,822,336
  5. Step 5: Solve for x
    x = 383,342,835,699,822,336/874,502,607.89
  6. Step 6: Final answer
    x = 438,355,280.18

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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.