Home / 266,936,514.90-400,404,772.35-209,605,622.10

Finding the Fourth Proportional to 266,936,514.90, 400,404,772.35 and 209,605,622.10

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Solution

The fourth proportional to 266,936,514.90, 400,404,772.35 and 209,605,622.10 is: 314,408,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936,514.90 : 400,404,772.35 = 209,605,622.10 : x
  2. Step 2: Convert to fraction form
    266,936,514.90/400,404,772.35 = 209,605,622.10/x
  3. Step 3: Cross multiply
    266,936,514.90x = 400,404,772.35 × 209,605,622.10
  4. Step 4: Simplify right side
    266,936,514.90x = 83,927,091,400,230,624
  5. Step 5: Solve for x
    x = 83,927,091,400,230,624/266,936,514.90
  6. Step 6: Final answer
    x = 314,408,433.15

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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.