Home / 432,414,111.90-648,621,167.85-359,712,983.10

Finding the Fourth Proportional to 432,414,111.90, 648,621,167.85 and 359,712,983.10

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Solution

The fourth proportional to 432,414,111.90, 648,621,167.85 and 359,712,983.10 is: 539,569,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,414,111.90 : 648,621,167.85 = 359,712,983.10 : x
  2. Step 2: Convert to fraction form
    432,414,111.90/648,621,167.85 = 359,712,983.10/x
  3. Step 3: Cross multiply
    432,414,111.90x = 648,621,167.85 × 359,712,983.10
  4. Step 4: Simplify right side
    432,414,111.90x = 233,317,455,189,129,344
  5. Step 5: Solve for x
    x = 233,317,455,189,129,344/432,414,111.90
  6. Step 6: Final answer
    x = 539,569,474.65

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Double scale
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1.5x scale

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.