Home / 966,687,228.30-1,450,030,842.45-869,941,346.70

Finding the Fourth Proportional to 966,687,228.30, 1,450,030,842.45 and 869,941,346.70

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Solution

The fourth proportional to 966,687,228.30, 1,450,030,842.45 and 869,941,346.70 is: 1,304,912,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,687,228.30 : 1,450,030,842.45 = 869,941,346.70 : x
  2. Step 2: Convert to fraction form
    966,687,228.30/1,450,030,842.45 = 869,941,346.70/x
  3. Step 3: Cross multiply
    966,687,228.30x = 1,450,030,842.45 × 869,941,346.70
  4. Step 4: Simplify right side
    966,687,228.30x = 1,261,441,783,837,488,640
  5. Step 5: Solve for x
    x = 1,261,441,783,837,488,640/966,687,228.30
  6. Step 6: Final answer
    x = 1,304,912,020.05

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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.