Home / 446,269,168.72-615,924,545.16-371,811,648.88

Finding the Fourth Proportional to 446,269,168.72, 615,924,545.16 and 371,811,648.88

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Solution

The fourth proportional to 446,269,168.72, 615,924,545.16 and 371,811,648.88 is: 513,160,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,269,168.72 : 615,924,545.16 = 371,811,648.88 : x
  2. Step 2: Convert to fraction form
    446,269,168.72/615,924,545.16 = 371,811,648.88/x
  3. Step 3: Cross multiply
    446,269,168.72x = 615,924,545.16 × 371,811,648.88
  4. Step 4: Simplify right side
    446,269,168.72x = 229,007,920,721,603,616
  5. Step 5: Solve for x
    x = 229,007,920,721,603,616/446,269,168.72
  6. Step 6: Final answer
    x = 513,160,972.73

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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.