Home / 818,442,760.90-1,228,538,083.11-352,334,882.50

Finding the Fourth Proportional to 818,442,760.90, 1,228,538,083.11 and 352,334,882.50

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Solution

The fourth proportional to 818,442,760.90, 1,228,538,083.11 and 352,334,882.50 is: 528,878,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,442,760.90 : 1,228,538,083.11 = 352,334,882.50 : x
  2. Step 2: Convert to fraction form
    818,442,760.90/1,228,538,083.11 = 352,334,882.50/x
  3. Step 3: Cross multiply
    818,442,760.90x = 1,228,538,083.11 × 352,334,882.50
  4. Step 4: Simplify right side
    818,442,760.90x = 432,856,821,159,337,024
  5. Step 5: Solve for x
    x = 432,856,821,159,337,024/818,442,760.90
  6. Step 6: Final answer
    x = 528,878,550.63

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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.