Home / 1,565,859,997.26-2,160,949,056.75-861,069,761.10

Finding the Fourth Proportional to 1,565,859,997.26, 2,160,949,056.75 and 861,069,761.10

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Solution

The fourth proportional to 1,565,859,997.26, 2,160,949,056.75 and 861,069,761.10 is: 1,188,310,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,859,997.26 : 2,160,949,056.75 = 861,069,761.10 : x
  2. Step 2: Convert to fraction form
    1,565,859,997.26/2,160,949,056.75 = 861,069,761.10/x
  3. Step 3: Cross multiply
    1,565,859,997.26x = 2,160,949,056.75 × 861,069,761.10
  4. Step 4: Simplify right side
    1,565,859,997.26x = 1,860,727,888,044,992,768
  5. Step 5: Solve for x
    x = 1,860,727,888,044,992,768/1,565,859,997.26
  6. Step 6: Final answer
    x = 1,188,310,507.52

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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.