Home / 290,425,965.20-435,638,947.80-224,668,998.80

Finding the Fourth Proportional to 290,425,965.20, 435,638,947.80 and 224,668,998.80

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Solution

The fourth proportional to 290,425,965.20, 435,638,947.80 and 224,668,998.80 is: 337,003,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,425,965.20 : 435,638,947.80 = 224,668,998.80 : x
  2. Step 2: Convert to fraction form
    290,425,965.20/435,638,947.80 = 224,668,998.80/x
  3. Step 3: Cross multiply
    290,425,965.20x = 435,638,947.80 × 224,668,998.80
  4. Step 4: Simplify right side
    290,425,965.20x = 97,874,566,240,511,472
  5. Step 5: Solve for x
    x = 97,874,566,240,511,472/290,425,965.20
  6. Step 6: Final answer
    x = 337,003,498.20

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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.