Home / 389,610,951.86-585,348,761.08-249,825,280.77

Finding the Fourth Proportional to 389,610,951.86, 585,348,761.08 and 249,825,280.77

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Solution

The fourth proportional to 389,610,951.86, 585,348,761.08 and 249,825,280.77 is: 375,335,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,610,951.86 : 585,348,761.08 = 249,825,280.77 : x
  2. Step 2: Convert to fraction form
    389,610,951.86/585,348,761.08 = 249,825,280.77/x
  3. Step 3: Cross multiply
    389,610,951.86x = 585,348,761.08 × 249,825,280.77
  4. Step 4: Simplify right side
    389,610,951.86x = 146,234,918,583,299,872
  5. Step 5: Solve for x
    x = 146,234,918,583,299,872/389,610,951.86
  6. Step 6: Final answer
    x = 375,335,749.38

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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.