Home / 403,549,080.80-605,323,621.20-265,799,573.60

Finding the Fourth Proportional to 403,549,080.80, 605,323,621.20 and 265,799,573.60

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Solution

The fourth proportional to 403,549,080.80, 605,323,621.20 and 265,799,573.60 is: 398,699,360.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,549,080.80 : 605,323,621.20 = 265,799,573.60 : x
  2. Step 2: Convert to fraction form
    403,549,080.80/605,323,621.20 = 265,799,573.60/x
  3. Step 3: Cross multiply
    403,549,080.80x = 605,323,621.20 × 265,799,573.60
  4. Step 4: Simplify right side
    403,549,080.80x = 160,894,760,404,967,936
  5. Step 5: Solve for x
    x = 160,894,760,404,967,936/403,549,080.80
  6. Step 6: Final answer
    x = 398,699,360.40

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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.