Home / 442,872,039.40-664,308,059.10-410,623,412.20

Finding the Fourth Proportional to 442,872,039.40, 664,308,059.10 and 410,623,412.20

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Solution

The fourth proportional to 442,872,039.40, 664,308,059.10 and 410,623,412.20 is: 615,935,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,039.40 : 664,308,059.10 = 410,623,412.20 : x
  2. Step 2: Convert to fraction form
    442,872,039.40/664,308,059.10 = 410,623,412.20/x
  3. Step 3: Cross multiply
    442,872,039.40x = 664,308,059.10 × 410,623,412.20
  4. Step 4: Simplify right side
    442,872,039.40x = 272,780,441,979,601,248
  5. Step 5: Solve for x
    x = 272,780,441,979,601,248/442,872,039.40
  6. Step 6: Final answer
    x = 615,935,118.30

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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.