Home / 982,432,976.88-1,355,876,392.93-559,149,553.41

Finding the Fourth Proportional to 982,432,976.88, 1,355,876,392.93 and 559,149,553.41

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Solution

The fourth proportional to 982,432,976.88, 1,355,876,392.93 and 559,149,553.41 is: 771,694,046.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,432,976.88 : 1,355,876,392.93 = 559,149,553.41 : x
  2. Step 2: Convert to fraction form
    982,432,976.88/1,355,876,392.93 = 559,149,553.41/x
  3. Step 3: Cross multiply
    982,432,976.88x = 1,355,876,392.93 × 559,149,553.41
  4. Step 4: Simplify right side
    982,432,976.88x = 758,137,679,579,488,768
  5. Step 5: Solve for x
    x = 758,137,679,579,488,768/982,432,976.88
  6. Step 6: Final answer
    x = 771,694,046.74

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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.