Home / 363,823,488,135.60-545,735,232,203.40-128,193,518,727.60

Finding the Fourth Proportional to 363,823,488,135.60, 545,735,232,203.40 and 128,193,518,727.60

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Solution

The fourth proportional to 363,823,488,135.60, 545,735,232,203.40 and 128,193,518,727.60 is: 192,290,278,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,823,488,135.60 : 545,735,232,203.40 = 128,193,518,727.60 : x
  2. Step 2: Convert to fraction form
    363,823,488,135.60/545,735,232,203.40 = 128,193,518,727.60/x
  3. Step 3: Cross multiply
    363,823,488,135.60x = 545,735,232,203.40 × 128,193,518,727.60
  4. Step 4: Simplify right side
    363,823,488,135.60x = 69,959,719,709,777,701,371,904
  5. Step 5: Solve for x
    x = 69,959,719,709,777,701,371,904/363,823,488,135.60
  6. Step 6: Final answer
    x = 192,290,278,091.40

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1.5x scale

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.