Home / 2,153,209,691.60-2,971,432,019.22-1,163,135,108.60

Finding the Fourth Proportional to 2,153,209,691.60, 2,971,432,019.22 and 1,163,135,108.60

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Solution

The fourth proportional to 2,153,209,691.60, 2,971,432,019.22 and 1,163,135,108.60 is: 1,605,127,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,209,691.60 : 2,971,432,019.22 = 1,163,135,108.60 : x
  2. Step 2: Convert to fraction form
    2,153,209,691.60/2,971,432,019.22 = 1,163,135,108.60/x
  3. Step 3: Cross multiply
    2,153,209,691.60x = 2,971,432,019.22 × 1,163,135,108.60
  4. Step 4: Simplify right side
    2,153,209,691.60x = 3,456,176,904,372,971,520
  5. Step 5: Solve for x
    x = 3,456,176,904,372,971,520/2,153,209,691.60
  6. Step 6: Final answer
    x = 1,605,127,878.56

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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.