Home / 389,610,960.12-585,348,773.46-249,825,289.02

Finding the Fourth Proportional to 389,610,960.12, 585,348,773.46 and 249,825,289.02

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Solution

The fourth proportional to 389,610,960.12, 585,348,773.46 and 249,825,289.02 is: 375,335,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610,960.12 : 585,348,773.46 = 249,825,289.02 : x
  2. Step 2: Convert to fraction form
    389,610,960.12/585,348,773.46 = 249,825,289.02/x
  3. Step 3: Cross multiply
    389,610,960.12x = 585,348,773.46 × 249,825,289.02
  4. Step 4: Simplify right side
    389,610,960.12x = 146,234,926,507,147,008
  5. Step 5: Solve for x
    x = 146,234,926,507,147,008/389,610,960.12
  6. Step 6: Final answer
    x = 375,335,761.76

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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.