Home / 516,096,932.80-774,211,754.40-257,444,363.20

Finding the Fourth Proportional to 516,096,932.80, 774,211,754.40 and 257,444,363.20

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Solution

The fourth proportional to 516,096,932.80, 774,211,754.40 and 257,444,363.20 is: 386,199,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,096,932.80 : 774,211,754.40 = 257,444,363.20 : x
  2. Step 2: Convert to fraction form
    516,096,932.80/774,211,754.40 = 257,444,363.20/x
  3. Step 3: Cross multiply
    516,096,932.80x = 774,211,754.40 × 257,444,363.20
  4. Step 4: Simplify right side
    516,096,932.80x = 199,316,452,093,462,784
  5. Step 5: Solve for x
    x = 199,316,452,093,462,784/516,096,932.80
  6. Step 6: Final answer
    x = 386,199,644.73

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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.