Home / 998,989,119.39-1,378,575,056.29-552,970,764.75

Finding the Fourth Proportional to 998,989,119.39, 1,378,575,056.29 and 552,970,764.75

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Solution

The fourth proportional to 998,989,119.39, 1,378,575,056.29 and 552,970,764.75 is: 763,083,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,989,119.39 : 1,378,575,056.29 = 552,970,764.75 : x
  2. Step 2: Convert to fraction form
    998,989,119.39/1,378,575,056.29 = 552,970,764.75/x
  3. Step 3: Cross multiply
    998,989,119.39x = 1,378,575,056.29 × 552,970,764.75
  4. Step 4: Simplify right side
    998,989,119.39x = 762,311,703,141,955,584
  5. Step 5: Solve for x
    x = 762,311,703,141,955,584/998,989,119.39
  6. Step 6: Final answer
    x = 763,083,089.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.