Home / 880,244,451.60-1,320,366,677.40-421,079,427.60

Finding the Fourth Proportional to 880,244,451.60, 1,320,366,677.40 and 421,079,427.60

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Solution

The fourth proportional to 880,244,451.60, 1,320,366,677.40 and 421,079,427.60 is: 631,619,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,244,451.60 : 1,320,366,677.40 = 421,079,427.60 : x
  2. Step 2: Convert to fraction form
    880,244,451.60/1,320,366,677.40 = 421,079,427.60/x
  3. Step 3: Cross multiply
    880,244,451.60x = 1,320,366,677.40 × 421,079,427.60
  4. Step 4: Simplify right side
    880,244,451.60x = 555,979,244,741,705,920
  5. Step 5: Solve for x
    x = 555,979,244,741,705,920/880,244,451.60
  6. Step 6: Final answer
    x = 631,619,141.40

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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.