Home / 832,548,786,709.77-1,247,941,784,427.60-280,041,855,809.04

Finding the Fourth Proportional to 832,548,786,709.77, 1,247,941,784,427.60 and 280,041,855,809.04

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Solution

The fourth proportional to 832,548,786,709.77, 1,247,941,784,427.60 and 280,041,855,809.04 is: 419,766,311,394.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,548,786,709.77 : 1,247,941,784,427.60 = 280,041,855,809.04 : x
  2. Step 2: Convert to fraction form
    832,548,786,709.77/1,247,941,784,427.60 = 280,041,855,809.04/x
  3. Step 3: Cross multiply
    832,548,786,709.77x = 1,247,941,784,427.60 × 280,041,855,809.04
  4. Step 4: Simplify right side
    832,548,786,709.77x = 349,475,933,252,750,065,795,072
  5. Step 5: Solve for x
    x = 349,475,933,252,750,065,795,072/832,548,786,709.77
  6. Step 6: Final answer
    x = 419,766,311,394.05

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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.