Home / 298,936,916.40-448,476,233.40-153,392,941.20

Finding the Fourth Proportional to 298,936,916.40, 448,476,233.40 and 153,392,941.20

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Solution

The fourth proportional to 298,936,916.40, 448,476,233.40 and 153,392,941.20 is: 230,125,771.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,936,916.40 : 448,476,233.40 = 153,392,941.20 : x
  2. Step 2: Convert to fraction form
    298,936,916.40/448,476,233.40 = 153,392,941.20/x
  3. Step 3: Cross multiply
    298,936,916.40x = 448,476,233.40 × 153,392,941.20
  4. Step 4: Simplify right side
    298,936,916.40x = 68,793,088,499,523,664
  5. Step 5: Solve for x
    x = 68,793,088,499,523,664/298,936,916.40
  6. Step 6: Final answer
    x = 230,125,771.44

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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.