Home / 442,872,032.90-664,308,049.35-410,623,405.70

Finding the Fourth Proportional to 442,872,032.90, 664,308,049.35 and 410,623,405.70

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Solution

The fourth proportional to 442,872,032.90, 664,308,049.35 and 410,623,405.70 is: 615,935,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,032.90 : 664,308,049.35 = 410,623,405.70 : x
  2. Step 2: Convert to fraction form
    442,872,032.90/664,308,049.35 = 410,623,405.70/x
  3. Step 3: Cross multiply
    442,872,032.90x = 664,308,049.35 × 410,623,405.70
  4. Step 4: Simplify right side
    442,872,032.90x = 272,780,433,658,020,672
  5. Step 5: Solve for x
    x = 272,780,433,658,020,672/442,872,032.90
  6. Step 6: Final answer
    x = 615,935,108.55

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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.