Home / 5,247,666,289.50-7,241,865,516.12-3,133,306,998.78

Finding the Fourth Proportional to 5,247,666,289.50, 7,241,865,516.12 and 3,133,306,998.78

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Solution

The fourth proportional to 5,247,666,289.50, 7,241,865,516.12 and 3,133,306,998.78 is: 4,324,015,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,666,289.50 : 7,241,865,516.12 = 3,133,306,998.78 : x
  2. Step 2: Convert to fraction form
    5,247,666,289.50/7,241,865,516.12 = 3,133,306,998.78/x
  3. Step 3: Cross multiply
    5,247,666,289.50x = 7,241,865,516.12 × 3,133,306,998.78
  4. Step 4: Simplify right side
    5,247,666,289.50x = 22,690,987,905,882,333,184
  5. Step 5: Solve for x
    x = 22,690,987,905,882,333,184/5,247,666,289.50
  6. Step 6: Final answer
    x = 4,324,015,029.55

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Double scale
Find fourth proportional to 5,247,666,290.50, 7,241,865,517.50 and 3,133,306,999.78
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.