Home / 775,727,456.64-1,070,526,601.89-423,326,161.62

Finding the Fourth Proportional to 775,727,456.64, 1,070,526,601.89 and 423,326,161.62

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Solution

The fourth proportional to 775,727,456.64, 1,070,526,601.89 and 423,326,161.62 is: 584,202,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,727,456.64 : 1,070,526,601.89 = 423,326,161.62 : x
  2. Step 2: Convert to fraction form
    775,727,456.64/1,070,526,601.89 = 423,326,161.62/x
  3. Step 3: Cross multiply
    775,727,456.64x = 1,070,526,601.89 × 423,326,161.62
  4. Step 4: Simplify right side
    775,727,456.64x = 453,181,917,290,195,520
  5. Step 5: Solve for x
    x = 453,181,917,290,195,520/775,727,456.64
  6. Step 6: Final answer
    x = 584,202,497.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.