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Finding the Fourth Proportional to 342,145,703.70, 513,218,555.55 and 342,145,703.70

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Solution

The fourth proportional to 342,145,703.70, 513,218,555.55 and 342,145,703.70 is: 513,218,555.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,703.70 : 513,218,555.55 = 342,145,703.70 : x
  2. Step 2: Convert to fraction form
    342,145,703.70/513,218,555.55 = 342,145,703.70/x
  3. Step 3: Cross multiply
    342,145,703.70x = 513,218,555.55 × 342,145,703.70
  4. Step 4: Simplify right side
    342,145,703.70x = 175,595,523,840,552,288
  5. Step 5: Solve for x
    x = 175,595,523,840,552,288/342,145,703.70
  6. Step 6: Final answer
    x = 513,218,555.55

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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.