Home / 839,589,571.22-1,158,490,114.63-487,084,755.92

Finding the Fourth Proportional to 839,589,571.22, 1,158,490,114.63 and 487,084,755.92

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Solution

The fourth proportional to 839,589,571.22, 1,158,490,114.63 and 487,084,755.92 is: 672,093,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,589,571.22 : 1,158,490,114.63 = 487,084,755.92 : x
  2. Step 2: Convert to fraction form
    839,589,571.22/1,158,490,114.63 = 487,084,755.92/x
  3. Step 3: Cross multiply
    839,589,571.22x = 1,158,490,114.63 × 487,084,755.92
  4. Step 4: Simplify right side
    839,589,571.22x = 564,282,874,713,276,288
  5. Step 5: Solve for x
    x = 564,282,874,713,276,288/839,589,571.22
  6. Step 6: Final answer
    x = 672,093,715.86

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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.