Home / 516,163,371.56-712,390,879.22-304,521,944.43

Finding the Fourth Proportional to 516,163,371.56, 712,390,879.22 and 304,521,944.43

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Solution

The fourth proportional to 516,163,371.56, 712,390,879.22 and 304,521,944.43 is: 420,290,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,163,371.56 : 712,390,879.22 = 304,521,944.43 : x
  2. Step 2: Convert to fraction form
    516,163,371.56/712,390,879.22 = 304,521,944.43/x
  3. Step 3: Cross multiply
    516,163,371.56x = 712,390,879.22 × 304,521,944.43
  4. Step 4: Simplify right side
    516,163,371.56x = 216,938,655,732,749,088
  5. Step 5: Solve for x
    x = 216,938,655,732,749,088/516,163,371.56
  6. Step 6: Final answer
    x = 420,290,682.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.