Home / 743,013,011.70-1,114,519,517.55-306,088,793.55

Finding the Fourth Proportional to 743,013,011.70, 1,114,519,517.55 and 306,088,793.55

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Solution

The fourth proportional to 743,013,011.70, 1,114,519,517.55 and 306,088,793.55 is: 459,133,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,013,011.70 : 1,114,519,517.55 = 306,088,793.55 : x
  2. Step 2: Convert to fraction form
    743,013,011.70/1,114,519,517.55 = 306,088,793.55/x
  3. Step 3: Cross multiply
    743,013,011.70x = 1,114,519,517.55 × 306,088,793.55
  4. Step 4: Simplify right side
    743,013,011.70x = 341,141,934,514,807,552
  5. Step 5: Solve for x
    x = 341,141,934,514,807,552/743,013,011.70
  6. Step 6: Final answer
    x = 459,133,190.33

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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.