Home / 770,297,932.82-1,063,011,147.40-440,280,157.70

Finding the Fourth Proportional to 770,297,932.82, 1,063,011,147.40 and 440,280,157.70

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Solution

The fourth proportional to 770,297,932.82, 1,063,011,147.40 and 440,280,157.70 is: 607,586,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,297,932.82 : 1,063,011,147.40 = 440,280,157.70 : x
  2. Step 2: Convert to fraction form
    770,297,932.82/1,063,011,147.40 = 440,280,157.70/x
  3. Step 3: Cross multiply
    770,297,932.82x = 1,063,011,147.40 × 440,280,157.70
  4. Step 4: Simplify right side
    770,297,932.82x = 468,022,715,614,129,920
  5. Step 5: Solve for x
    x = 468,022,715,614,129,920/770,297,932.82
  6. Step 6: Final answer
    x = 607,586,617.69

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1.5x scale

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.