Home / 3,145,489,606.80-4,712,218,205.40-1,690,983,622.80

Finding the Fourth Proportional to 3,145,489,606.80, 4,712,218,205.40 and 1,690,983,622.80

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Solution

The fourth proportional to 3,145,489,606.80, 4,712,218,205.40 and 1,690,983,622.80 is: 2,533,241,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,489,606.80 : 4,712,218,205.40 = 1,690,983,622.80 : x
  2. Step 2: Convert to fraction form
    3,145,489,606.80/4,712,218,205.40 = 1,690,983,622.80/x
  3. Step 3: Cross multiply
    3,145,489,606.80x = 4,712,218,205.40 × 1,690,983,622.80
  4. Step 4: Simplify right side
    3,145,489,606.80x = 7,968,283,812,391,405,568
  5. Step 5: Solve for x
    x = 7,968,283,812,391,405,568/3,145,489,606.80
  6. Step 6: Final answer
    x = 2,533,241,182.92

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Double scale
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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.