Home / 918,517,755.70-1,377,776,633.55-880,254,003.70

Finding the Fourth Proportional to 918,517,755.70, 1,377,776,633.55 and 880,254,003.70

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Solution

The fourth proportional to 918,517,755.70, 1,377,776,633.55 and 880,254,003.70 is: 1,320,381,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,517,755.70 : 1,377,776,633.55 = 880,254,003.70 : x
  2. Step 2: Convert to fraction form
    918,517,755.70/1,377,776,633.55 = 880,254,003.70/x
  3. Step 3: Cross multiply
    918,517,755.70x = 1,377,776,633.55 × 880,254,003.70
  4. Step 4: Simplify right side
    918,517,755.70x = 1,212,793,397,886,695,168
  5. Step 5: Solve for x
    x = 1,212,793,397,886,695,168/918,517,755.70
  6. Step 6: Final answer
    x = 1,320,381,005.55

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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.