Home / 832,548,786,710.75-1,247,941,784,429.10-280,041,855,809.97

Finding the Fourth Proportional to 832,548,786,710.75, 1,247,941,784,429.10 and 280,041,855,809.97

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Solution

The fourth proportional to 832,548,786,710.75, 1,247,941,784,429.10 and 280,041,855,809.97 is: 419,766,311,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,548,786,710.75 : 1,247,941,784,429.10 = 280,041,855,809.97 : x
  2. Step 2: Convert to fraction form
    832,548,786,710.75/1,247,941,784,429.10 = 280,041,855,809.97/x
  3. Step 3: Cross multiply
    832,548,786,710.75x = 1,247,941,784,429.10 × 280,041,855,809.97
  4. Step 4: Simplify right side
    832,548,786,710.75x = 349,475,933,254,330,680,868,864
  5. Step 5: Solve for x
    x = 349,475,933,254,330,680,868,864/832,548,786,710.75
  6. Step 6: Final answer
    x = 419,766,311,395.45

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Double scale
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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.