Home / 920,301,414.30-1,380,452,121.45-436,572,006.30

Finding the Fourth Proportional to 920,301,414.30, 1,380,452,121.45 and 436,572,006.30

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Solution

The fourth proportional to 920,301,414.30, 1,380,452,121.45 and 436,572,006.30 is: 654,858,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,301,414.30 : 1,380,452,121.45 = 436,572,006.30 : x
  2. Step 2: Convert to fraction form
    920,301,414.30/1,380,452,121.45 = 436,572,006.30/x
  3. Step 3: Cross multiply
    920,301,414.30x = 1,380,452,121.45 × 436,572,006.30
  4. Step 4: Simplify right side
    920,301,414.30x = 602,666,752,262,517,760
  5. Step 5: Solve for x
    x = 602,666,752,262,517,760/920,301,414.30
  6. Step 6: Final answer
    x = 654,858,009.45

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Double scale
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Similar ratio
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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.