Home / 922,753,076.40-1,384,129,614.60-890,504,449.20

Finding the Fourth Proportional to 922,753,076.40, 1,384,129,614.60 and 890,504,449.20

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Solution

The fourth proportional to 922,753,076.40, 1,384,129,614.60 and 890,504,449.20 is: 1,335,756,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,753,076.40 : 1,384,129,614.60 = 890,504,449.20 : x
  2. Step 2: Convert to fraction form
    922,753,076.40/1,384,129,614.60 = 890,504,449.20/x
  3. Step 3: Cross multiply
    922,753,076.40x = 1,384,129,614.60 × 890,504,449.20
  4. Step 4: Simplify right side
    922,753,076.40x = 1,232,573,580,070,781,184
  5. Step 5: Solve for x
    x = 1,232,573,580,070,781,184/922,753,076.40
  6. Step 6: Final answer
    x = 1,335,756,673.80

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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.