Home / 414,877,400.10-622,316,100.15-208,253,139.30

Finding the Fourth Proportional to 414,877,400.10, 622,316,100.15 and 208,253,139.30

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Solution

The fourth proportional to 414,877,400.10, 622,316,100.15 and 208,253,139.30 is: 312,379,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,877,400.10 : 622,316,100.15 = 208,253,139.30 : x
  2. Step 2: Convert to fraction form
    414,877,400.10/622,316,100.15 = 208,253,139.30/x
  3. Step 3: Cross multiply
    414,877,400.10x = 622,316,100.15 × 208,253,139.30
  4. Step 4: Simplify right side
    414,877,400.10x = 129,599,281,493,170,704
  5. Step 5: Solve for x
    x = 129,599,281,493,170,704/414,877,400.10
  6. Step 6: Final answer
    x = 312,379,708.95

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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.