Home / 8,106,062,962.12-12,166,957,114.86-3,911,967,340.36

Finding the Fourth Proportional to 8,106,062,962.12, 12,166,957,114.86 and 3,911,967,340.36

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Solution

The fourth proportional to 8,106,062,962.12, 12,166,957,114.86 and 3,911,967,340.36 is: 5,871,745,517.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,062,962.12 : 12,166,957,114.86 = 3,911,967,340.36 : x
  2. Step 2: Convert to fraction form
    8,106,062,962.12/12,166,957,114.86 = 3,911,967,340.36/x
  3. Step 3: Cross multiply
    8,106,062,962.12x = 12,166,957,114.86 × 3,911,967,340.36
  4. Step 4: Simplify right side
    8,106,062,962.12x = 47,596,738,864,893,059,072
  5. Step 5: Solve for x
    x = 47,596,738,864,893,059,072/8,106,062,962.12
  6. Step 6: Final answer
    x = 5,871,745,517.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.