Home / 1,086,787,212.16-1,627,119,542.40-976,587,606.40

Finding the Fourth Proportional to 1,086,787,212.16, 1,627,119,542.40 and 976,587,606.40

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Solution

The fourth proportional to 1,086,787,212.16, 1,627,119,542.40 and 976,587,606.40 is: 1,462,130,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,787,212.16 : 1,627,119,542.40 = 976,587,606.40 : x
  2. Step 2: Convert to fraction form
    1,086,787,212.16/1,627,119,542.40 = 976,587,606.40/x
  3. Step 3: Cross multiply
    1,086,787,212.16x = 1,627,119,542.40 × 976,587,606.40
  4. Step 4: Simplify right side
    1,086,787,212.16x = 1,589,024,779,239,079,424
  5. Step 5: Solve for x
    x = 1,589,024,779,239,079,424/1,086,787,212.16
  6. Step 6: Final answer
    x = 1,462,130,545.39

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Double scale
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1.5x scale

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.