Home / 2,982,410,259.75-4,472,897,834.84-912,149,957.79

Finding the Fourth Proportional to 2,982,410,259.75, 4,472,897,834.84 and 912,149,957.79

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Solution

The fourth proportional to 2,982,410,259.75, 4,472,897,834.84 and 912,149,957.79 is: 1,368,005,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,410,259.75 : 4,472,897,834.84 = 912,149,957.79 : x
  2. Step 2: Convert to fraction form
    2,982,410,259.75/4,472,897,834.84 = 912,149,957.79/x
  3. Step 3: Cross multiply
    2,982,410,259.75x = 4,472,897,834.84 × 912,149,957.79
  4. Step 4: Simplify right side
    2,982,410,259.75x = 4,079,953,571,243,727,360
  5. Step 5: Solve for x
    x = 4,079,953,571,243,727,360/2,982,410,259.75
  6. Step 6: Final answer
    x = 1,368,005,477.42

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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.