Home / 976,917,438.32-1,465,663,689.86-355,122,869.31

Finding the Fourth Proportional to 976,917,438.32, 1,465,663,689.86 and 355,122,869.31

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Solution

The fourth proportional to 976,917,438.32, 1,465,663,689.86 and 355,122,869.31 is: 532,788,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,917,438.32 : 1,465,663,689.86 = 355,122,869.31 : x
  2. Step 2: Convert to fraction form
    976,917,438.32/1,465,663,689.86 = 355,122,869.31/x
  3. Step 3: Cross multiply
    976,917,438.32x = 1,465,663,689.86 × 355,122,869.31
  4. Step 4: Simplify right side
    976,917,438.32x = 520,490,694,984,789,568
  5. Step 5: Solve for x
    x = 520,490,694,984,789,568/976,917,438.32
  6. Step 6: Final answer
    x = 532,788,825.92

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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.