Home / 616,818,884.12-925,231,476-207,878,577.56

Finding the Fourth Proportional to 616,818,884.12, 925,231,476 and 207,878,577.56

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Solution

The fourth proportional to 616,818,884.12, 925,231,476 and 207,878,577.56 is: 311,818,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,818,884.12 : 925,231,476 = 207,878,577.56 : x
  2. Step 2: Convert to fraction form
    616,818,884.12/925,231,476 = 207,878,577.56/x
  3. Step 3: Cross multiply
    616,818,884.12x = 925,231,476 × 207,878,577.56
  4. Step 4: Simplify right side
    616,818,884.12x = 192,335,803,144,619,296
  5. Step 5: Solve for x
    x = 192,335,803,144,619,296/616,818,884.12
  6. Step 6: Final answer
    x = 311,818,927.88

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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.