Home / 1,478,412,003.60-2,217,618,005.40-896,802,973.20

Finding the Fourth Proportional to 1,478,412,003.60, 2,217,618,005.40 and 896,802,973.20

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Solution

The fourth proportional to 1,478,412,003.60, 2,217,618,005.40 and 896,802,973.20 is: 1,345,204,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,412,003.60 : 2,217,618,005.40 = 896,802,973.20 : x
  2. Step 2: Convert to fraction form
    1,478,412,003.60/2,217,618,005.40 = 896,802,973.20/x
  3. Step 3: Cross multiply
    1,478,412,003.60x = 2,217,618,005.40 × 896,802,973.20
  4. Step 4: Simplify right side
    1,478,412,003.60x = 1,988,766,420,664,573,952
  5. Step 5: Solve for x
    x = 1,988,766,420,664,573,952/1,478,412,003.60
  6. Step 6: Final answer
    x = 1,345,204,459.80

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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.