Home / 432,966,898.78-649,450,335.61-199,728,603.04

Finding the Fourth Proportional to 432,966,898.78, 649,450,335.61 and 199,728,603.04

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Solution

The fourth proportional to 432,966,898.78, 649,450,335.61 and 199,728,603.04 is: 299,592,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,966,898.78 : 649,450,335.61 = 199,728,603.04 : x
  2. Step 2: Convert to fraction form
    432,966,898.78/649,450,335.61 = 199,728,603.04/x
  3. Step 3: Cross multiply
    432,966,898.78x = 649,450,335.61 × 199,728,603.04
  4. Step 4: Simplify right side
    432,966,898.78x = 129,713,808,275,244,464
  5. Step 5: Solve for x
    x = 129,713,808,275,244,464/432,966,898.78
  6. Step 6: Final answer
    x = 299,592,898.77

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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.