Home / 982,432,797.42-1,355,876,146.22-559,149,379.41

Finding the Fourth Proportional to 982,432,797.42, 1,355,876,146.22 and 559,149,379.41

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Solution

The fourth proportional to 982,432,797.42, 1,355,876,146.22 and 559,149,379.41 is: 771,693,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,432,797.42 : 1,355,876,146.22 = 559,149,379.41 : x
  2. Step 2: Convert to fraction form
    982,432,797.42/1,355,876,146.22 = 559,149,379.41/x
  3. Step 3: Cross multiply
    982,432,797.42x = 1,355,876,146.22 × 559,149,379.41
  4. Step 4: Simplify right side
    982,432,797.42x = 758,137,305,710,353,920
  5. Step 5: Solve for x
    x = 758,137,305,710,353,920/982,432,797.42
  6. Step 6: Final answer
    x = 771,693,807.15

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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.