Home / 440,348,867.10-660,523,300.65-133,640,487.90

Finding the Fourth Proportional to 440,348,867.10, 660,523,300.65 and 133,640,487.90

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Solution

The fourth proportional to 440,348,867.10, 660,523,300.65 and 133,640,487.90 is: 200,460,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,348,867.10 : 660,523,300.65 = 133,640,487.90 : x
  2. Step 2: Convert to fraction form
    440,348,867.10/660,523,300.65 = 133,640,487.90/x
  3. Step 3: Cross multiply
    440,348,867.10x = 660,523,300.65 × 133,640,487.90
  4. Step 4: Simplify right side
    440,348,867.10x = 88,272,656,168,184,384
  5. Step 5: Solve for x
    x = 88,272,656,168,184,384/440,348,867.10
  6. Step 6: Final answer
    x = 200,460,731.85

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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.