Home / 715,392,023.70-1,073,088,035.55-388,874,673.30

Finding the Fourth Proportional to 715,392,023.70, 1,073,088,035.55 and 388,874,673.30

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Solution

The fourth proportional to 715,392,023.70, 1,073,088,035.55 and 388,874,673.30 is: 583,312,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,023.70 : 1,073,088,035.55 = 388,874,673.30 : x
  2. Step 2: Convert to fraction form
    715,392,023.70/1,073,088,035.55 = 388,874,673.30/x
  3. Step 3: Cross multiply
    715,392,023.70x = 1,073,088,035.55 × 388,874,673.30
  4. Step 4: Simplify right side
    715,392,023.70x = 417,296,759,246,645,056
  5. Step 5: Solve for x
    x = 417,296,759,246,645,056/715,392,023.70
  6. Step 6: Final answer
    x = 583,312,009.95

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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.