Home / 1,660,101,472,867.40-2,490,152,209,301.10-990,087,869,846.60

Finding the Fourth Proportional to 1,660,101,472,867.40, 2,490,152,209,301.10 and 990,087,869,846.60

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Solution

The fourth proportional to 1,660,101,472,867.40, 2,490,152,209,301.10 and 990,087,869,846.60 is: 1,485,131,804,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,101,472,867.40 : 2,490,152,209,301.10 = 990,087,869,846.60 : x
  2. Step 2: Convert to fraction form
    1,660,101,472,867.40/2,490,152,209,301.10 = 990,087,869,846.60/x
  3. Step 3: Cross multiply
    1,660,101,472,867.40x = 2,490,152,209,301.10 × 990,087,869,846.60
  4. Step 4: Simplify right side
    1,660,101,472,867.40x = 2,465,469,496,500,731,221,377,024
  5. Step 5: Solve for x
    x = 2,465,469,496,500,731,221,377,024/1,660,101,472,867.40
  6. Step 6: Final answer
    x = 1,485,131,804,769.90

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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.