Home / 307,154,419.20-460,731,628.80-298,651,363.20

Finding the Fourth Proportional to 307,154,419.20, 460,731,628.80 and 298,651,363.20

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Solution

The fourth proportional to 307,154,419.20, 460,731,628.80 and 298,651,363.20 is: 447,977,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,154,419.20 : 460,731,628.80 = 298,651,363.20 : x
  2. Step 2: Convert to fraction form
    307,154,419.20/460,731,628.80 = 298,651,363.20/x
  3. Step 3: Cross multiply
    307,154,419.20x = 460,731,628.80 × 298,651,363.20
  4. Step 4: Simplify right side
    307,154,419.20x = 137,598,129,010,476,384
  5. Step 5: Solve for x
    x = 137,598,129,010,476,384/307,154,419.20
  6. Step 6: Final answer
    x = 447,977,044.80

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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.