Home / 1,478,412,562.60-2,217,618,843.90-896,803,532.20

Finding the Fourth Proportional to 1,478,412,562.60, 2,217,618,843.90 and 896,803,532.20

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Solution

The fourth proportional to 1,478,412,562.60, 2,217,618,843.90 and 896,803,532.20 is: 1,345,205,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412,562.60 : 2,217,618,843.90 = 896,803,532.20 : x
  2. Step 2: Convert to fraction form
    1,478,412,562.60/2,217,618,843.90 = 896,803,532.20/x
  3. Step 3: Cross multiply
    1,478,412,562.60x = 2,217,618,843.90 × 896,803,532.20
  4. Step 4: Simplify right side
    1,478,412,562.60x = 1,988,768,412,282,800,640
  5. Step 5: Solve for x
    x = 1,988,768,412,282,800,640/1,478,412,562.60
  6. Step 6: Final answer
    x = 1,345,205,298.30

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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.