Home / 389,610,955.37-585,348,766.35-249,825,284.29

Finding the Fourth Proportional to 389,610,955.37, 585,348,766.35 and 249,825,284.29

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Solution

The fourth proportional to 389,610,955.37, 585,348,766.35 and 249,825,284.29 is: 375,335,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610,955.37 : 585,348,766.35 = 249,825,284.29 : x
  2. Step 2: Convert to fraction form
    389,610,955.37/585,348,766.35 = 249,825,284.29/x
  3. Step 3: Cross multiply
    389,610,955.37x = 585,348,766.35 × 249,825,284.29
  4. Step 4: Simplify right side
    389,610,955.37x = 146,234,921,959,262,784
  5. Step 5: Solve for x
    x = 146,234,921,959,262,784/389,610,955.37
  6. Step 6: Final answer
    x = 375,335,754.66

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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.