Home / 8,612,925,431.68-11,888,048,572.32-5,609,661,995.71

Finding the Fourth Proportional to 8,612,925,431.68, 11,888,048,572.32 and 5,609,661,995.71

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Solution

The fourth proportional to 8,612,925,431.68, 11,888,048,572.32 and 5,609,661,995.71 is: 7,742,773,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,925,431.68 : 11,888,048,572.32 = 5,609,661,995.71 : x
  2. Step 2: Convert to fraction form
    8,612,925,431.68/11,888,048,572.32 = 5,609,661,995.71/x
  3. Step 3: Cross multiply
    8,612,925,431.68x = 11,888,048,572.32 × 5,609,661,995.71
  4. Step 4: Simplify right side
    8,612,925,431.68x = 66,687,934,279,298,023,424
  5. Step 5: Solve for x
    x = 66,687,934,279,298,023,424/8,612,925,431.68
  6. Step 6: Final answer
    x = 7,742,773,905.14

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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.