Home / 331,776,309.60-497,664,464.40-289,308,981.60

Finding the Fourth Proportional to 331,776,309.60, 497,664,464.40 and 289,308,981.60

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Solution

The fourth proportional to 331,776,309.60, 497,664,464.40 and 289,308,981.60 is: 433,963,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,776,309.60 : 497,664,464.40 = 289,308,981.60 : x
  2. Step 2: Convert to fraction form
    331,776,309.60/497,664,464.40 = 289,308,981.60/x
  3. Step 3: Cross multiply
    331,776,309.60x = 497,664,464.40 × 289,308,981.60
  4. Step 4: Simplify right side
    331,776,309.60x = 143,978,799,374,073,456
  5. Step 5: Solve for x
    x = 143,978,799,374,073,456/331,776,309.60
  6. Step 6: Final answer
    x = 433,963,472.40

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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.