Home / 269,030,987.20-403,546,480.80-266,480,070.40

Finding the Fourth Proportional to 269,030,987.20, 403,546,480.80 and 266,480,070.40

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Solution

The fourth proportional to 269,030,987.20, 403,546,480.80 and 266,480,070.40 is: 399,720,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,030,987.20 : 403,546,480.80 = 266,480,070.40 : x
  2. Step 2: Convert to fraction form
    269,030,987.20/403,546,480.80 = 266,480,070.40/x
  3. Step 3: Cross multiply
    269,030,987.20x = 403,546,480.80 × 266,480,070.40
  4. Step 4: Simplify right side
    269,030,987.20x = 107,537,094,613,256,256
  5. Step 5: Solve for x
    x = 107,537,094,613,256,256/269,030,987.20
  6. Step 6: Final answer
    x = 399,720,105.60

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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.