Home / 1,478,412,074.10-2,217,618,111.15-896,803,043.70

Finding the Fourth Proportional to 1,478,412,074.10, 2,217,618,111.15 and 896,803,043.70

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Solution

The fourth proportional to 1,478,412,074.10, 2,217,618,111.15 and 896,803,043.70 is: 1,345,204,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412,074.10 : 2,217,618,111.15 = 896,803,043.70 : x
  2. Step 2: Convert to fraction form
    1,478,412,074.10/2,217,618,111.15 = 896,803,043.70/x
  3. Step 3: Cross multiply
    1,478,412,074.10x = 2,217,618,111.15 × 896,803,043.70
  4. Step 4: Simplify right side
    1,478,412,074.10x = 1,988,766,671,843,565,056
  5. Step 5: Solve for x
    x = 1,988,766,671,843,565,056/1,478,412,074.10
  6. Step 6: Final answer
    x = 1,345,204,565.55

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Double scale
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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.