Home / 432,729,809.22-649,099,700.16-156,402,009.30

Finding the Fourth Proportional to 432,729,809.22, 649,099,700.16 and 156,402,009.30

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Solution

The fourth proportional to 432,729,809.22, 649,099,700.16 and 156,402,009.30 is: 234,604,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,729,809.22 : 649,099,700.16 = 156,402,009.30 : x
  2. Step 2: Convert to fraction form
    432,729,809.22/649,099,700.16 = 156,402,009.30/x
  3. Step 3: Cross multiply
    432,729,809.22x = 649,099,700.16 × 156,402,009.30
  4. Step 4: Simplify right side
    432,729,809.22x = 101,520,497,341,051,536
  5. Step 5: Solve for x
    x = 101,520,497,341,051,536/432,729,809.22
  6. Step 6: Final answer
    x = 234,604,816.16

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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.