Home / 873,839,392.85-1,310,770,448.15-291,573,638.42

Finding the Fourth Proportional to 873,839,392.85, 1,310,770,448.15 and 291,573,638.42

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Solution

The fourth proportional to 873,839,392.85, 1,310,770,448.15 and 291,573,638.42 is: 437,364,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,839,392.85 : 1,310,770,448.15 = 291,573,638.42 : x
  2. Step 2: Convert to fraction form
    873,839,392.85/1,310,770,448.15 = 291,573,638.42/x
  3. Step 3: Cross multiply
    873,839,392.85x = 1,310,770,448.15 × 291,573,638.42
  4. Step 4: Simplify right side
    873,839,392.85x = 382,186,108,692,497,792
  5. Step 5: Solve for x
    x = 382,186,108,692,497,792/873,839,392.85
  6. Step 6: Final answer
    x = 437,364,247.73

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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.