Home / 839,589,570.46-1,158,490,113.59-487,084,755.16

Finding the Fourth Proportional to 839,589,570.46, 1,158,490,113.59 and 487,084,755.16

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Solution

The fourth proportional to 839,589,570.46, 1,158,490,113.59 and 487,084,755.16 is: 672,093,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,589,570.46 : 1,158,490,113.59 = 487,084,755.16 : x
  2. Step 2: Convert to fraction form
    839,589,570.46/1,158,490,113.59 = 487,084,755.16/x
  3. Step 3: Cross multiply
    839,589,570.46x = 1,158,490,113.59 × 487,084,755.16
  4. Step 4: Simplify right side
    839,589,570.46x = 564,282,873,335,931,520
  5. Step 5: Solve for x
    x = 564,282,873,335,931,520/839,589,570.46
  6. Step 6: Final answer
    x = 672,093,714.82

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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.