Home / 442,872,030.40-664,308,045.60-410,623,403.20

Finding the Fourth Proportional to 442,872,030.40, 664,308,045.60 and 410,623,403.20

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Solution

The fourth proportional to 442,872,030.40, 664,308,045.60 and 410,623,403.20 is: 615,935,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,030.40 : 664,308,045.60 = 410,623,403.20 : x
  2. Step 2: Convert to fraction form
    442,872,030.40/664,308,045.60 = 410,623,403.20/x
  3. Step 3: Cross multiply
    442,872,030.40x = 664,308,045.60 × 410,623,403.20
  4. Step 4: Simplify right side
    442,872,030.40x = 272,780,430,457,412,800
  5. Step 5: Solve for x
    x = 272,780,430,457,412,800/442,872,030.40
  6. Step 6: Final answer
    x = 615,935,104.80

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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.