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Finding the Fourth Proportional to 551,124,019.30, 826,686,028.95 and 162,912,273.70

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Solution

The fourth proportional to 551,124,019.30, 826,686,028.95 and 162,912,273.70 is: 244,368,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,124,019.30 : 826,686,028.95 = 162,912,273.70 : x
  2. Step 2: Convert to fraction form
    551,124,019.30/826,686,028.95 = 162,912,273.70/x
  3. Step 3: Cross multiply
    551,124,019.30x = 826,686,028.95 × 162,912,273.70
  4. Step 4: Simplify right side
    551,124,019.30x = 134,677,300,612,268,528
  5. Step 5: Solve for x
    x = 134,677,300,612,268,528/551,124,019.30
  6. Step 6: Final answer
    x = 244,368,410.55

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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.