Home / 266,934,200.90-400,401,301.35-209,603,308.10

Finding the Fourth Proportional to 266,934,200.90, 400,401,301.35 and 209,603,308.10

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Solution

The fourth proportional to 266,934,200.90, 400,401,301.35 and 209,603,308.10 is: 314,404,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,934,200.90 : 400,401,301.35 = 209,603,308.10 : x
  2. Step 2: Convert to fraction form
    266,934,200.90/400,401,301.35 = 209,603,308.10/x
  3. Step 3: Cross multiply
    266,934,200.90x = 400,401,301.35 × 209,603,308.10
  4. Step 4: Simplify right side
    266,934,200.90x = 83,925,437,330,504,992
  5. Step 5: Solve for x
    x = 83,925,437,330,504,992/266,934,200.90
  6. Step 6: Final answer
    x = 314,404,962.15

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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.