Home / 12,963,591,587.28-17,879,851,222.25-11,158,127,192.16

Finding the Fourth Proportional to 12,963,591,587.28, 17,879,851,222.25 and 11,158,127,192.16

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Solution

The fourth proportional to 12,963,591,587.28, 17,879,851,222.25 and 11,158,127,192.16 is: 15,389,689,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963,591,587.28 : 17,879,851,222.25 = 11,158,127,192.16 : x
  2. Step 2: Convert to fraction form
    12,963,591,587.28/17,879,851,222.25 = 11,158,127,192.16/x
  3. Step 3: Cross multiply
    12,963,591,587.28x = 17,879,851,222.25 × 11,158,127,192.16
  4. Step 4: Simplify right side
    12,963,591,587.28x = 199,505,654,114,707,144,704
  5. Step 5: Solve for x
    x = 199,505,654,114,707,144,704/12,963,591,587.28
  6. Step 6: Final answer
    x = 15,389,689,868.85

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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.