Home / 82,409,432,852.40-123,614,149,278.60-20,371,136,276.40

Finding the Fourth Proportional to 82,409,432,852.40, 123,614,149,278.60 and 20,371,136,276.40

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Solution

The fourth proportional to 82,409,432,852.40, 123,614,149,278.60 and 20,371,136,276.40 is: 30,556,704,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409,432,852.40 : 123,614,149,278.60 = 20,371,136,276.40 : x
  2. Step 2: Convert to fraction form
    82,409,432,852.40/123,614,149,278.60 = 20,371,136,276.40/x
  3. Step 3: Cross multiply
    82,409,432,852.40x = 123,614,149,278.60 × 20,371,136,276.40
  4. Step 4: Simplify right side
    82,409,432,852.40x = 2,518,160,680,645,613,846,528
  5. Step 5: Solve for x
    x = 2,518,160,680,645,613,846,528/82,409,432,852.40
  6. Step 6: Final answer
    x = 30,556,704,414.60

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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.