Home / 432,729,810.72-649,099,702.41-156,402,010.80

Finding the Fourth Proportional to 432,729,810.72, 649,099,702.41 and 156,402,010.80

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Solution

The fourth proportional to 432,729,810.72, 649,099,702.41 and 156,402,010.80 is: 234,604,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,729,810.72 : 649,099,702.41 = 156,402,010.80 : x
  2. Step 2: Convert to fraction form
    432,729,810.72/649,099,702.41 = 156,402,010.80/x
  3. Step 3: Cross multiply
    432,729,810.72x = 649,099,702.41 × 156,402,010.80
  4. Step 4: Simplify right side
    432,729,810.72x = 101,520,498,666,605,616
  5. Step 5: Solve for x
    x = 101,520,498,666,605,616/432,729,810.72
  6. Step 6: Final answer
    x = 234,604,818.41

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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.