Home / 328,884,261.02-493,388,610.32-132,162,988.20

Finding the Fourth Proportional to 328,884,261.02, 493,388,610.32 and 132,162,988.20

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Solution

The fourth proportional to 328,884,261.02, 493,388,610.32 and 132,162,988.20 is: 198,269,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,884,261.02 : 493,388,610.32 = 132,162,988.20 : x
  2. Step 2: Convert to fraction form
    328,884,261.02/493,388,610.32 = 132,162,988.20/x
  3. Step 3: Cross multiply
    328,884,261.02x = 493,388,610.32 × 132,162,988.20
  4. Step 4: Simplify right side
    328,884,261.02x = 65,207,713,083,736,560
  5. Step 5: Solve for x
    x = 65,207,713,083,736,560/328,884,261.02
  6. Step 6: Final answer
    x = 198,269,485.08

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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.