Home / 2,145,860,190.10-3,218,943,512.98-571,959,251.36

Finding the Fourth Proportional to 2,145,860,190.10, 3,218,943,512.98 and 571,959,251.36

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Solution

The fourth proportional to 2,145,860,190.10, 3,218,943,512.98 and 571,959,251.36 is: 857,979,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,860,190.10 : 3,218,943,512.98 = 571,959,251.36 : x
  2. Step 2: Convert to fraction form
    2,145,860,190.10/3,218,943,512.98 = 571,959,251.36/x
  3. Step 3: Cross multiply
    2,145,860,190.10x = 3,218,943,512.98 × 571,959,251.36
  4. Step 4: Simplify right side
    2,145,860,190.10x = 1,841,104,521,854,169,344
  5. Step 5: Solve for x
    x = 1,841,104,521,854,169,344/2,145,860,190.10
  6. Step 6: Final answer
    x = 857,979,718.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.