Home / 290,421,267.20-435,631,900.80-224,664,300.80

Finding the Fourth Proportional to 290,421,267.20, 435,631,900.80 and 224,664,300.80

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Solution

The fourth proportional to 290,421,267.20, 435,631,900.80 and 224,664,300.80 is: 336,996,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,421,267.20 : 435,631,900.80 = 224,664,300.80 : x
  2. Step 2: Convert to fraction form
    290,421,267.20/435,631,900.80 = 224,664,300.80/x
  3. Step 3: Cross multiply
    290,421,267.20x = 435,631,900.80 × 224,664,300.80
  4. Step 4: Simplify right side
    290,421,267.20x = 97,870,936,399,406,976
  5. Step 5: Solve for x
    x = 97,870,936,399,406,976/290,421,267.20
  6. Step 6: Final answer
    x = 336,996,451.20

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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.