Home / 740,747,395.84-1,110,894,170.64-512,185,250.56

Finding the Fourth Proportional to 740,747,395.84, 1,110,894,170.64 and 512,185,250.56

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Solution

The fourth proportional to 740,747,395.84, 1,110,894,170.64 and 512,185,250.56 is: 768,120,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,747,395.84 : 1,110,894,170.64 = 512,185,250.56 : x
  2. Step 2: Convert to fraction form
    740,747,395.84/1,110,894,170.64 = 512,185,250.56/x
  3. Step 3: Cross multiply
    740,747,395.84x = 1,110,894,170.64 × 512,185,250.56
  4. Step 4: Simplify right side
    740,747,395.84x = 568,983,609,134,891,840
  5. Step 5: Solve for x
    x = 568,983,609,134,891,840/740,747,395.84
  6. Step 6: Final answer
    x = 768,120,971.24

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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.