Home / 1,197,726,247.19-1,652,925,680.48-721,566,508.91

Finding the Fourth Proportional to 1,197,726,247.19, 1,652,925,680.48 and 721,566,508.91

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Solution

The fourth proportional to 1,197,726,247.19, 1,652,925,680.48 and 721,566,508.91 is: 995,800,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,726,247.19 : 1,652,925,680.48 = 721,566,508.91 : x
  2. Step 2: Convert to fraction form
    1,197,726,247.19/1,652,925,680.48 = 721,566,508.91/x
  3. Step 3: Cross multiply
    1,197,726,247.19x = 1,652,925,680.48 × 721,566,508.91
  4. Step 4: Simplify right side
    1,197,726,247.19x = 1,192,695,812,745,179,136
  5. Step 5: Solve for x
    x = 1,192,695,812,745,179,136/1,197,726,247.19
  6. Step 6: Final answer
    x = 995,800,013.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.