Home / 1,212,442,557.83-1,673,167,582.79-676,588,604.39

Finding the Fourth Proportional to 1,212,442,557.83, 1,673,167,582.79 and 676,588,604.39

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Solution

The fourth proportional to 1,212,442,557.83, 1,673,167,582.79 and 676,588,604.39 is: 933,690,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,442,557.83 : 1,673,167,582.79 = 676,588,604.39 : x
  2. Step 2: Convert to fraction form
    1,212,442,557.83/1,673,167,582.79 = 676,588,604.39/x
  3. Step 3: Cross multiply
    1,212,442,557.83x = 1,673,167,582.79 × 676,588,604.39
  4. Step 4: Simplify right side
    1,212,442,557.83x = 1,132,046,119,747,092,992
  5. Step 5: Solve for x
    x = 1,132,046,119,747,092,992/1,212,442,557.83
  6. Step 6: Final answer
    x = 933,690,517.90

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Half scale
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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.