Home / 1,305,280,709.55-1,957,921,064.33-443,637,701.55

Finding the Fourth Proportional to 1,305,280,709.55, 1,957,921,064.33 and 443,637,701.55

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Solution

The fourth proportional to 1,305,280,709.55, 1,957,921,064.33 and 443,637,701.55 is: 665,456,552.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,280,709.55 : 1,957,921,064.33 = 443,637,701.55 : x
  2. Step 2: Convert to fraction form
    1,305,280,709.55/1,957,921,064.33 = 443,637,701.55/x
  3. Step 3: Cross multiply
    1,305,280,709.55x = 1,957,921,064.33 × 443,637,701.55
  4. Step 4: Simplify right side
    1,305,280,709.55x = 868,607,600,793,472,768
  5. Step 5: Solve for x
    x = 868,607,600,793,472,768/1,305,280,709.55
  6. Step 6: Final answer
    x = 665,456,552.33

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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.