Home / 1,195,690,819.20-1,793,536,228.80-550,718,275.20

Finding the Fourth Proportional to 1,195,690,819.20, 1,793,536,228.80 and 550,718,275.20

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Solution

The fourth proportional to 1,195,690,819.20, 1,793,536,228.80 and 550,718,275.20 is: 826,077,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,690,819.20 : 1,793,536,228.80 = 550,718,275.20 : x
  2. Step 2: Convert to fraction form
    1,195,690,819.20/1,793,536,228.80 = 550,718,275.20/x
  3. Step 3: Cross multiply
    1,195,690,819.20x = 1,793,536,228.80 × 550,718,275.20
  4. Step 4: Simplify right side
    1,195,690,819.20x = 987,733,178,433,448,576
  5. Step 5: Solve for x
    x = 987,733,178,433,448,576/1,195,690,819.20
  6. Step 6: Final answer
    x = 826,077,412.80

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Half scale
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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.