Home / 1,585,746,374.40-2,378,619,561.60-550,499,306.40

Finding the Fourth Proportional to 1,585,746,374.40, 2,378,619,561.60 and 550,499,306.40

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Solution

The fourth proportional to 1,585,746,374.40, 2,378,619,561.60 and 550,499,306.40 is: 825,748,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,746,374.40 : 2,378,619,561.60 = 550,499,306.40 : x
  2. Step 2: Convert to fraction form
    1,585,746,374.40/2,378,619,561.60 = 550,499,306.40/x
  3. Step 3: Cross multiply
    1,585,746,374.40x = 2,378,619,561.60 × 550,499,306.40
  4. Step 4: Simplify right side
    1,585,746,374.40x = 1,309,428,418,850,272,000
  5. Step 5: Solve for x
    x = 1,309,428,418,850,272,000/1,585,746,374.40
  6. Step 6: Final answer
    x = 825,748,959.60

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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.