Home / 1,112,040,807.60-1,668,857,473.80-466,272,001.20

Finding the Fourth Proportional to 1,112,040,807.60, 1,668,857,473.80 and 466,272,001.20

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Solution

The fourth proportional to 1,112,040,807.60, 1,668,857,473.80 and 466,272,001.20 is: 699,741,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,040,807.60 : 1,668,857,473.80 = 466,272,001.20 : x
  2. Step 2: Convert to fraction form
    1,112,040,807.60/1,668,857,473.80 = 466,272,001.20/x
  3. Step 3: Cross multiply
    1,112,040,807.60x = 1,668,857,473.80 × 466,272,001.20
  4. Step 4: Simplify right side
    1,112,040,807.60x = 778,141,514,026,302,464
  5. Step 5: Solve for x
    x = 778,141,514,026,302,464/1,112,040,807.60
  6. Step 6: Final answer
    x = 699,741,869.82

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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.