Home / 1,107,386,889.30-1,661,718,063.15-417,789,047.70

Finding the Fourth Proportional to 1,107,386,889.30, 1,661,718,063.15 and 417,789,047.70

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Solution

The fourth proportional to 1,107,386,889.30, 1,661,718,063.15 and 417,789,047.70 is: 626,924,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,386,889.30 : 1,661,718,063.15 = 417,789,047.70 : x
  2. Step 2: Convert to fraction form
    1,107,386,889.30/1,661,718,063.15 = 417,789,047.70/x
  3. Step 3: Cross multiply
    1,107,386,889.30x = 1,661,718,063.15 × 417,789,047.70
  4. Step 4: Simplify right side
    1,107,386,889.30x = 694,247,607,149,326,976
  5. Step 5: Solve for x
    x = 694,247,607,149,326,976/1,107,386,889.30
  6. Step 6: Final answer
    x = 626,924,170.64

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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.