Home / 1,002,818,935.94-1,383,933,353.28-556,782,321.22

Finding the Fourth Proportional to 1,002,818,935.94, 1,383,933,353.28 and 556,782,321.22

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Solution

The fourth proportional to 1,002,818,935.94, 1,383,933,353.28 and 556,782,321.22 is: 768,383,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,818,935.94 : 1,383,933,353.28 = 556,782,321.22 : x
  2. Step 2: Convert to fraction form
    1,002,818,935.94/1,383,933,353.28 = 556,782,321.22/x
  3. Step 3: Cross multiply
    1,002,818,935.94x = 1,383,933,353.28 × 556,782,321.22
  4. Step 4: Simplify right side
    1,002,818,935.94x = 770,549,624,849,000,064
  5. Step 5: Solve for x
    x = 770,549,624,849,000,064/1,002,818,935.94
  6. Step 6: Final answer
    x = 768,383,600.70

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Double scale
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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.