Home / 266,925,699.40-400,388,549.10-209,594,806.60

Finding the Fourth Proportional to 266,925,699.40, 400,388,549.10 and 209,594,806.60

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Solution

The fourth proportional to 266,925,699.40, 400,388,549.10 and 209,594,806.60 is: 314,392,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,925,699.40 : 400,388,549.10 = 209,594,806.60 : x
  2. Step 2: Convert to fraction form
    266,925,699.40/400,388,549.10 = 209,594,806.60/x
  3. Step 3: Cross multiply
    266,925,699.40x = 400,388,549.10 × 209,594,806.60
  4. Step 4: Simplify right side
    266,925,699.40x = 83,919,360,513,469,104
  5. Step 5: Solve for x
    x = 83,919,360,513,469,104/266,925,699.40
  6. Step 6: Final answer
    x = 314,392,209.90

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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.