Home / 912,384,309.60-1,368,576,464.40-548,691,458.40

Finding the Fourth Proportional to 912,384,309.60, 1,368,576,464.40 and 548,691,458.40

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Solution

The fourth proportional to 912,384,309.60, 1,368,576,464.40 and 548,691,458.40 is: 823,037,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,309.60 : 1,368,576,464.40 = 548,691,458.40 : x
  2. Step 2: Convert to fraction form
    912,384,309.60/1,368,576,464.40 = 548,691,458.40/x
  3. Step 3: Cross multiply
    912,384,309.60x = 1,368,576,464.40 × 548,691,458.40
  4. Step 4: Simplify right side
    912,384,309.60x = 750,926,216,183,551,744
  5. Step 5: Solve for x
    x = 750,926,216,183,551,744/912,384,309.60
  6. Step 6: Final answer
    x = 823,037,187.60

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Double scale
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Similar ratio
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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.