Home / 389,610,952.61-585,348,762.21-249,825,281.52

Finding the Fourth Proportional to 389,610,952.61, 585,348,762.21 and 249,825,281.52

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Solution

The fourth proportional to 389,610,952.61, 585,348,762.21 and 249,825,281.52 is: 375,335,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610,952.61 : 585,348,762.21 = 249,825,281.52 : x
  2. Step 2: Convert to fraction form
    389,610,952.61/585,348,762.21 = 249,825,281.52/x
  3. Step 3: Cross multiply
    389,610,952.61x = 585,348,762.21 × 249,825,281.52
  4. Step 4: Simplify right side
    389,610,952.61x = 146,234,919,306,496,800
  5. Step 5: Solve for x
    x = 146,234,919,306,496,800/389,610,952.61
  6. Step 6: Final answer
    x = 375,335,750.51

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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.