Home / 8,148,762,001.40-12,223,143,002.10-2,628,578,046.20

Finding the Fourth Proportional to 8,148,762,001.40, 12,223,143,002.10 and 2,628,578,046.20

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Solution

The fourth proportional to 8,148,762,001.40, 12,223,143,002.10 and 2,628,578,046.20 is: 3,942,867,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,762,001.40 : 12,223,143,002.10 = 2,628,578,046.20 : x
  2. Step 2: Convert to fraction form
    8,148,762,001.40/12,223,143,002.10 = 2,628,578,046.20/x
  3. Step 3: Cross multiply
    8,148,762,001.40x = 12,223,143,002.10 × 2,628,578,046.20
  4. Step 4: Simplify right side
    8,148,762,001.40x = 32,129,485,350,883,217,408
  5. Step 5: Solve for x
    x = 32,129,485,350,883,217,408/8,148,762,001.40
  6. Step 6: Final answer
    x = 3,942,867,069.30

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1.5x scale

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.