Home / 425,876,033.50-638,749,976.01-119,128,385.50

Finding the Fourth Proportional to 425,876,033.50, 638,749,976.01 and 119,128,385.50

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Solution

The fourth proportional to 425,876,033.50, 638,749,976.01 and 119,128,385.50 is: 178,674,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,876,033.50 : 638,749,976.01 = 119,128,385.50 : x
  2. Step 2: Convert to fraction form
    425,876,033.50/638,749,976.01 = 119,128,385.50/x
  3. Step 3: Cross multiply
    425,876,033.50x = 638,749,976.01 × 119,128,385.50
  4. Step 4: Simplify right side
    425,876,033.50x = 76,093,253,380,235,024
  5. Step 5: Solve for x
    x = 76,093,253,380,235,024/425,876,033.50
  6. Step 6: Final answer
    x = 178,674,655.05

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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.