Home / 966,687,079.80-1,450,030,619.70-869,941,198.20

Finding the Fourth Proportional to 966,687,079.80, 1,450,030,619.70 and 869,941,198.20

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Solution

The fourth proportional to 966,687,079.80, 1,450,030,619.70 and 869,941,198.20 is: 1,304,911,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,687,079.80 : 1,450,030,619.70 = 869,941,198.20 : x
  2. Step 2: Convert to fraction form
    966,687,079.80/1,450,030,619.70 = 869,941,198.20/x
  3. Step 3: Cross multiply
    966,687,079.80x = 1,450,030,619.70 × 869,941,198.20
  4. Step 4: Simplify right side
    966,687,079.80x = 1,261,441,374,728,506,624
  5. Step 5: Solve for x
    x = 1,261,441,374,728,506,624/966,687,079.80
  6. Step 6: Final answer
    x = 1,304,911,797.30

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Double scale
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Similar ratio
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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.