Home / 331,900,400.40-497,850,600.60-159,713,516.40

Finding the Fourth Proportional to 331,900,400.40, 497,850,600.60 and 159,713,516.40

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Solution

The fourth proportional to 331,900,400.40, 497,850,600.60 and 159,713,516.40 is: 239,570,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,900,400.40 : 497,850,600.60 = 159,713,516.40 : x
  2. Step 2: Convert to fraction form
    331,900,400.40/497,850,600.60 = 159,713,516.40/x
  3. Step 3: Cross multiply
    331,900,400.40x = 497,850,600.60 × 159,713,516.40
  4. Step 4: Simplify right side
    331,900,400.40x = 79,513,470,063,677,952
  5. Step 5: Solve for x
    x = 79,513,470,063,677,952/331,900,400.40
  6. Step 6: Final answer
    x = 239,570,274.60

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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.