Home / 290,426,682.20-435,640,023.30-224,669,715.80

Finding the Fourth Proportional to 290,426,682.20, 435,640,023.30 and 224,669,715.80

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Solution

The fourth proportional to 290,426,682.20, 435,640,023.30 and 224,669,715.80 is: 337,004,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,426,682.20 : 435,640,023.30 = 224,669,715.80 : x
  2. Step 2: Convert to fraction form
    290,426,682.20/435,640,023.30 = 224,669,715.80/x
  3. Step 3: Cross multiply
    290,426,682.20x = 435,640,023.30 × 224,669,715.80
  4. Step 4: Simplify right side
    290,426,682.20x = 97,875,120,225,916,384
  5. Step 5: Solve for x
    x = 97,875,120,225,916,384/290,426,682.20
  6. Step 6: Final answer
    x = 337,004,573.70

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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.