Home / 442,877,430.10-664,316,145.15-238,804,086.10

Finding the Fourth Proportional to 442,877,430.10, 664,316,145.15 and 238,804,086.10

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Solution

The fourth proportional to 442,877,430.10, 664,316,145.15 and 238,804,086.10 is: 358,206,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,877,430.10 : 664,316,145.15 = 238,804,086.10 : x
  2. Step 2: Convert to fraction form
    442,877,430.10/664,316,145.15 = 238,804,086.10/x
  3. Step 3: Cross multiply
    442,877,430.10x = 664,316,145.15 × 238,804,086.10
  4. Step 4: Simplify right side
    442,877,430.10x = 158,641,409,924,020,672
  5. Step 5: Solve for x
    x = 158,641,409,924,020,672/442,877,430.10
  6. Step 6: Final answer
    x = 358,206,129.15

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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.