Home / 912,384,069.60-1,368,576,104.40-548,691,218.40

Finding the Fourth Proportional to 912,384,069.60, 1,368,576,104.40 and 548,691,218.40

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Solution

The fourth proportional to 912,384,069.60, 1,368,576,104.40 and 548,691,218.40 is: 823,036,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,069.60 : 1,368,576,104.40 = 548,691,218.40 : x
  2. Step 2: Convert to fraction form
    912,384,069.60/1,368,576,104.40 = 548,691,218.40/x
  3. Step 3: Cross multiply
    912,384,069.60x = 1,368,576,104.40 × 548,691,218.40
  4. Step 4: Simplify right side
    912,384,069.60x = 750,925,690,196,361,600
  5. Step 5: Solve for x
    x = 750,925,690,196,361,600/912,384,069.60
  6. Step 6: Final answer
    x = 823,036,827.60

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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.