Home / 8,106,062,964.12-12,166,957,117.86-3,911,967,342.36

Finding the Fourth Proportional to 8,106,062,964.12, 12,166,957,117.86 and 3,911,967,342.36

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Solution

The fourth proportional to 8,106,062,964.12, 12,166,957,117.86 and 3,911,967,342.36 is: 5,871,745,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106,062,964.12 : 12,166,957,117.86 = 3,911,967,342.36 : x
  2. Step 2: Convert to fraction form
    8,106,062,964.12/12,166,957,117.86 = 3,911,967,342.36/x
  3. Step 3: Cross multiply
    8,106,062,964.12x = 12,166,957,117.86 × 3,911,967,342.36
  4. Step 4: Simplify right side
    8,106,062,964.12x = 47,596,738,900,962,877,440
  5. Step 5: Solve for x
    x = 47,596,738,900,962,877,440/8,106,062,964.12
  6. Step 6: Final answer
    x = 5,871,745,520.81

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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.