Home / 321,559,929.60-482,339,894.40-199,115,923.20

Finding the Fourth Proportional to 321,559,929.60, 482,339,894.40 and 199,115,923.20

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Solution

The fourth proportional to 321,559,929.60, 482,339,894.40 and 199,115,923.20 is: 298,673,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,559,929.60 : 482,339,894.40 = 199,115,923.20 : x
  2. Step 2: Convert to fraction form
    321,559,929.60/482,339,894.40 = 199,115,923.20/x
  3. Step 3: Cross multiply
    321,559,929.60x = 482,339,894.40 × 199,115,923.20
  4. Step 4: Simplify right side
    321,559,929.60x = 96,041,553,369,646,496
  5. Step 5: Solve for x
    x = 96,041,553,369,646,496/321,559,929.60
  6. Step 6: Final answer
    x = 298,673,884.80

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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.