Home / 12,037,312,932.60-18,055,969,398.90-7,323,218,686.20

Finding the Fourth Proportional to 12,037,312,932.60, 18,055,969,398.90 and 7,323,218,686.20

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Solution

The fourth proportional to 12,037,312,932.60, 18,055,969,398.90 and 7,323,218,686.20 is: 10,984,828,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,312,932.60 : 18,055,969,398.90 = 7,323,218,686.20 : x
  2. Step 2: Convert to fraction form
    12,037,312,932.60/18,055,969,398.90 = 7,323,218,686.20/x
  3. Step 3: Cross multiply
    12,037,312,932.60x = 18,055,969,398.90 × 7,323,218,686.20
  4. Step 4: Simplify right side
    12,037,312,932.60x = 132,227,812,499,479,871,488
  5. Step 5: Solve for x
    x = 132,227,812,499,479,871,488/12,037,312,932.60
  6. Step 6: Final answer
    x = 10,984,828,029.30

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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.