Home / 966,687,340.80-1,450,031,011.20-869,941,459.20

Finding the Fourth Proportional to 966,687,340.80, 1,450,031,011.20 and 869,941,459.20

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Solution

The fourth proportional to 966,687,340.80, 1,450,031,011.20 and 869,941,459.20 is: 1,304,912,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,687,340.80 : 1,450,031,011.20 = 869,941,459.20 : x
  2. Step 2: Convert to fraction form
    966,687,340.80/1,450,031,011.20 = 869,941,459.20/x
  3. Step 3: Cross multiply
    966,687,340.80x = 1,450,031,011.20 × 869,941,459.20
  4. Step 4: Simplify right side
    966,687,340.80x = 1,261,442,093,768,579,584
  5. Step 5: Solve for x
    x = 1,261,442,093,768,579,584/966,687,340.80
  6. Step 6: Final answer
    x = 1,304,912,188.80

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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.