Home / 1,091,206,672.80-1,636,810,009.20-655,850,205.60

Finding the Fourth Proportional to 1,091,206,672.80, 1,636,810,009.20 and 655,850,205.60

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Solution

The fourth proportional to 1,091,206,672.80, 1,636,810,009.20 and 655,850,205.60 is: 983,775,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,206,672.80 : 1,636,810,009.20 = 655,850,205.60 : x
  2. Step 2: Convert to fraction form
    1,091,206,672.80/1,636,810,009.20 = 655,850,205.60/x
  3. Step 3: Cross multiply
    1,091,206,672.80x = 1,636,810,009.20 × 655,850,205.60
  4. Step 4: Simplify right side
    1,091,206,672.80x = 1,073,502,181,061,958,016
  5. Step 5: Solve for x
    x = 1,073,502,181,061,958,016/1,091,206,672.80
  6. Step 6: Final answer
    x = 983,775,308.40

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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.