Home / 403,549,077.80-605,323,616.70-265,799,570.60

Finding the Fourth Proportional to 403,549,077.80, 605,323,616.70 and 265,799,570.60

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Solution

The fourth proportional to 403,549,077.80, 605,323,616.70 and 265,799,570.60 is: 398,699,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,549,077.80 : 605,323,616.70 = 265,799,570.60 : x
  2. Step 2: Convert to fraction form
    403,549,077.80/605,323,616.70 = 265,799,570.60/x
  3. Step 3: Cross multiply
    403,549,077.80x = 605,323,616.70 × 265,799,570.60
  4. Step 4: Simplify right side
    403,549,077.80x = 160,894,757,392,899,008
  5. Step 5: Solve for x
    x = 160,894,757,392,899,008/403,549,077.80
  6. Step 6: Final answer
    x = 398,699,355.90

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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.