Home / 266,936,494.40-400,404,741.60-209,605,601.60

Finding the Fourth Proportional to 266,936,494.40, 400,404,741.60 and 209,605,601.60

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Solution

The fourth proportional to 266,936,494.40, 400,404,741.60 and 209,605,601.60 is: 314,408,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,936,494.40 : 400,404,741.60 = 209,605,601.60 : x
  2. Step 2: Convert to fraction form
    266,936,494.40/400,404,741.60 = 209,605,601.60/x
  3. Step 3: Cross multiply
    266,936,494.40x = 400,404,741.60 × 209,605,601.60
  4. Step 4: Simplify right side
    266,936,494.40x = 83,927,076,746,560,544
  5. Step 5: Solve for x
    x = 83,927,076,746,560,544/266,936,494.40
  6. Step 6: Final answer
    x = 314,408,402.40

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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.