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Finding the Fourth Proportional to 257,998,423.70, 362,218,159.90 and 257,998,423.70

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Solution

The fourth proportional to 257,998,423.70, 362,218,159.90 and 257,998,423.70 is: 362,218,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,998,423.70 : 362,218,159.90 = 257,998,423.70 : x
  2. Step 2: Convert to fraction form
    257,998,423.70/362,218,159.90 = 257,998,423.70/x
  3. Step 3: Cross multiply
    257,998,423.70x = 362,218,159.90 × 257,998,423.70
  4. Step 4: Simplify right side
    257,998,423.70x = 93,451,714,289,714,544
  5. Step 5: Solve for x
    x = 93,451,714,289,714,544/257,998,423.70
  6. Step 6: Final answer
    x = 362,218,159.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.