Home / 290,425,795.20-435,638,692.80-224,668,828.80

Finding the Fourth Proportional to 290,425,795.20, 435,638,692.80 and 224,668,828.80

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Solution

The fourth proportional to 290,425,795.20, 435,638,692.80 and 224,668,828.80 is: 337,003,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,425,795.20 : 435,638,692.80 = 224,668,828.80 : x
  2. Step 2: Convert to fraction form
    290,425,795.20/435,638,692.80 = 224,668,828.80/x
  3. Step 3: Cross multiply
    290,425,795.20x = 435,638,692.80 × 224,668,828.80
  4. Step 4: Simplify right side
    290,425,795.20x = 97,874,434,891,339,008
  5. Step 5: Solve for x
    x = 97,874,434,891,339,008/290,425,795.20
  6. Step 6: Final answer
    x = 337,003,243.20

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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.