Home / 675,248,129.38-1,012,853,298.39-215,213,904.10

Finding the Fourth Proportional to 675,248,129.38, 1,012,853,298.39 and 215,213,904.10

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Solution

The fourth proportional to 675,248,129.38, 1,012,853,298.39 and 215,213,904.10 is: 322,814,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,248,129.38 : 1,012,853,298.39 = 215,213,904.10 : x
  2. Step 2: Convert to fraction form
    675,248,129.38/1,012,853,298.39 = 215,213,904.10/x
  3. Step 3: Cross multiply
    675,248,129.38x = 1,012,853,298.39 × 215,213,904.10
  4. Step 4: Simplify right side
    675,248,129.38x = 217,980,112,627,074,144
  5. Step 5: Solve for x
    x = 217,980,112,627,074,144/675,248,129.38
  6. Step 6: Final answer
    x = 322,814,833.75

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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.