Home / 715,392,010.40-1,073,088,015.60-230,766,807.20

Finding the Fourth Proportional to 715,392,010.40, 1,073,088,015.60 and 230,766,807.20

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Solution

The fourth proportional to 715,392,010.40, 1,073,088,015.60 and 230,766,807.20 is: 346,150,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,392,010.40 : 1,073,088,015.60 = 230,766,807.20 : x
  2. Step 2: Convert to fraction form
    715,392,010.40/1,073,088,015.60 = 230,766,807.20/x
  3. Step 3: Cross multiply
    715,392,010.40x = 1,073,088,015.60 × 230,766,807.20
  4. Step 4: Simplify right side
    715,392,010.40x = 247,633,095,204,595,776
  5. Step 5: Solve for x
    x = 247,633,095,204,595,776/715,392,010.40
  6. Step 6: Final answer
    x = 346,150,210.80

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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.