Home / 1,196,235,909.72-1,650,736,680.48-667,558,402.92

Finding the Fourth Proportional to 1,196,235,909.72, 1,650,736,680.48 and 667,558,402.92

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Solution

The fourth proportional to 1,196,235,909.72, 1,650,736,680.48 and 667,558,402.92 is: 921,192,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,235,909.72 : 1,650,736,680.48 = 667,558,402.92 : x
  2. Step 2: Convert to fraction form
    1,196,235,909.72/1,650,736,680.48 = 667,558,402.92/x
  3. Step 3: Cross multiply
    1,196,235,909.72x = 1,650,736,680.48 × 667,558,402.92
  4. Step 4: Simplify right side
    1,196,235,909.72x = 1,101,963,142,062,691,072
  5. Step 5: Solve for x
    x = 1,101,963,142,062,691,072/1,196,235,909.72
  6. Step 6: Final answer
    x = 921,192,160.43

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Double scale
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1.5x scale

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.