Home / 880,268,531.60-1,320,402,797.40-472,121,843.60

Finding the Fourth Proportional to 880,268,531.60, 1,320,402,797.40 and 472,121,843.60

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Solution

The fourth proportional to 880,268,531.60, 1,320,402,797.40 and 472,121,843.60 is: 708,182,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,268,531.60 : 1,320,402,797.40 = 472,121,843.60 : x
  2. Step 2: Convert to fraction form
    880,268,531.60/1,320,402,797.40 = 472,121,843.60/x
  3. Step 3: Cross multiply
    880,268,531.60x = 1,320,402,797.40 × 472,121,843.60
  4. Step 4: Simplify right side
    880,268,531.60x = 623,391,003,003,085,312
  5. Step 5: Solve for x
    x = 623,391,003,003,085,312/880,268,531.60
  6. Step 6: Final answer
    x = 708,182,765.40

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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.