Home / 873,839,402.61-1,310,770,462.77-291,573,648.18

Finding the Fourth Proportional to 873,839,402.61, 1,310,770,462.77 and 291,573,648.18

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Solution

The fourth proportional to 873,839,402.61, 1,310,770,462.77 and 291,573,648.18 is: 437,364,262.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,839,402.61 : 1,310,770,462.77 = 291,573,648.18 : x
  2. Step 2: Convert to fraction form
    873,839,402.61/1,310,770,462.77 = 291,573,648.18/x
  3. Step 3: Cross multiply
    873,839,402.61x = 1,310,770,462.77 × 291,573,648.18
  4. Step 4: Simplify right side
    873,839,402.61x = 382,186,125,756,435,776
  5. Step 5: Solve for x
    x = 382,186,125,756,435,776/873,839,402.61
  6. Step 6: Final answer
    x = 437,364,262.37

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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.