Home / 252,019,439.40-378,029,159.10-201,001,103.40

Finding the Fourth Proportional to 252,019,439.40, 378,029,159.10 and 201,001,103.40

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Solution

The fourth proportional to 252,019,439.40, 378,029,159.10 and 201,001,103.40 is: 301,501,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,019,439.40 : 378,029,159.10 = 201,001,103.40 : x
  2. Step 2: Convert to fraction form
    252,019,439.40/378,029,159.10 = 201,001,103.40/x
  3. Step 3: Cross multiply
    252,019,439.40x = 378,029,159.10 × 201,001,103.40
  4. Step 4: Simplify right side
    252,019,439.40x = 75,984,278,096,474,160
  5. Step 5: Solve for x
    x = 75,984,278,096,474,160/252,019,439.40
  6. Step 6: Final answer
    x = 301,501,655.10

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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.