Home / 1,098,715,577.25-1,515,852,498.99-680,875,405.41

Finding the Fourth Proportional to 1,098,715,577.25, 1,515,852,498.99 and 680,875,405.41

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Solution

The fourth proportional to 1,098,715,577.25, 1,515,852,498.99 and 680,875,405.41 is: 939,375,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,715,577.25 : 1,515,852,498.99 = 680,875,405.41 : x
  2. Step 2: Convert to fraction form
    1,098,715,577.25/1,515,852,498.99 = 680,875,405.41/x
  3. Step 3: Cross multiply
    1,098,715,577.25x = 1,515,852,498.99 × 680,875,405.41
  4. Step 4: Simplify right side
    1,098,715,577.25x = 1,032,106,684,791,577,856
  5. Step 5: Solve for x
    x = 1,032,106,684,791,577,856/1,098,715,577.25
  6. Step 6: Final answer
    x = 939,375,672.98

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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.