Home / 873,839,387.57-1,310,770,440.24-291,573,633.17

Finding the Fourth Proportional to 873,839,387.57, 1,310,770,440.24 and 291,573,633.17

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Solution

The fourth proportional to 873,839,387.57, 1,310,770,440.24 and 291,573,633.17 is: 437,364,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,839,387.57 : 1,310,770,440.24 = 291,573,633.17 : x
  2. Step 2: Convert to fraction form
    873,839,387.57/1,310,770,440.24 = 291,573,633.17/x
  3. Step 3: Cross multiply
    873,839,387.57x = 1,310,770,440.24 × 291,573,633.17
  4. Step 4: Simplify right side
    873,839,387.57x = 382,186,099,506,063,360
  5. Step 5: Solve for x
    x = 382,186,099,506,063,360/873,839,387.57
  6. Step 6: Final answer
    x = 437,364,239.86

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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.