Home / 1,305,280,691.18-1,957,921,036.77-443,637,683.18

Finding the Fourth Proportional to 1,305,280,691.18, 1,957,921,036.77 and 443,637,683.18

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Solution

The fourth proportional to 1,305,280,691.18, 1,957,921,036.77 and 443,637,683.18 is: 665,456,524.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,280,691.18 : 1,957,921,036.77 = 443,637,683.18 : x
  2. Step 2: Convert to fraction form
    1,305,280,691.18/1,957,921,036.77 = 443,637,683.18/x
  3. Step 3: Cross multiply
    1,305,280,691.18x = 1,957,921,036.77 × 443,637,683.18
  4. Step 4: Simplify right side
    1,305,280,691.18x = 868,607,552,592,236,800
  5. Step 5: Solve for x
    x = 868,607,552,592,236,800/1,305,280,691.18
  6. Step 6: Final answer
    x = 665,456,524.77

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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.