Home / 776,204,156.80-1,071,156,190.68-423,780,136.60

Finding the Fourth Proportional to 776,204,156.80, 1,071,156,190.68 and 423,780,136.60

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Solution

The fourth proportional to 776,204,156.80, 1,071,156,190.68 and 423,780,136.60 is: 584,813,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,204,156.80 : 1,071,156,190.68 = 423,780,136.60 : x
  2. Step 2: Convert to fraction form
    776,204,156.80/1,071,156,190.68 = 423,780,136.60/x
  3. Step 3: Cross multiply
    776,204,156.80x = 1,071,156,190.68 × 423,780,136.60
  4. Step 4: Simplify right side
    776,204,156.80x = 453,934,716,806,306,048
  5. Step 5: Solve for x
    x = 453,934,716,806,306,048/776,204,156.80
  6. Step 6: Final answer
    x = 584,813,560.75

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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.