Home / 338,764,809.60-508,147,214.40-331,962,364.80

Finding the Fourth Proportional to 338,764,809.60, 508,147,214.40 and 331,962,364.80

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Solution

The fourth proportional to 338,764,809.60, 508,147,214.40 and 331,962,364.80 is: 497,943,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,764,809.60 : 508,147,214.40 = 331,962,364.80 : x
  2. Step 2: Convert to fraction form
    338,764,809.60/508,147,214.40 = 331,962,364.80/x
  3. Step 3: Cross multiply
    338,764,809.60x = 508,147,214.40 × 331,962,364.80
  4. Step 4: Simplify right side
    338,764,809.60x = 168,685,750,958,756,608
  5. Step 5: Solve for x
    x = 168,685,750,958,756,608/338,764,809.60
  6. Step 6: Final answer
    x = 497,943,547.20

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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.