Home / 5,129,721,930.48-7,078,962,158.28-2,871,680,002.08

Finding the Fourth Proportional to 5,129,721,930.48, 7,078,962,158.28 and 2,871,680,002.08

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Solution

The fourth proportional to 5,129,721,930.48, 7,078,962,158.28 and 2,871,680,002.08 is: 3,962,888,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,721,930.48 : 7,078,962,158.28 = 2,871,680,002.08 : x
  2. Step 2: Convert to fraction form
    5,129,721,930.48/7,078,962,158.28 = 2,871,680,002.08/x
  3. Step 3: Cross multiply
    5,129,721,930.48x = 7,078,962,158.28 × 2,871,680,002.08
  4. Step 4: Simplify right side
    5,129,721,930.48x = 20,328,514,065,413,750,784
  5. Step 5: Solve for x
    x = 20,328,514,065,413,750,784/5,129,721,930.48
  6. Step 6: Final answer
    x = 3,962,888,113.80

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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.