Home / 839,809,124.40-1,259,713,686.60-534,454,935.60

Finding the Fourth Proportional to 839,809,124.40, 1,259,713,686.60 and 534,454,935.60

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Solution

The fourth proportional to 839,809,124.40, 1,259,713,686.60 and 534,454,935.60 is: 801,682,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,124.40 : 1,259,713,686.60 = 534,454,935.60 : x
  2. Step 2: Convert to fraction form
    839,809,124.40/1,259,713,686.60 = 534,454,935.60/x
  3. Step 3: Cross multiply
    839,809,124.40x = 1,259,713,686.60 × 534,454,935.60
  4. Step 4: Simplify right side
    839,809,124.40x = 673,260,197,246,241,536
  5. Step 5: Solve for x
    x = 673,260,197,246,241,536/839,809,124.40
  6. Step 6: Final answer
    x = 801,682,403.40

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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.