Home / 354,585,958.66-532,086,200.64-256,120,570.18

Finding the Fourth Proportional to 354,585,958.66, 532,086,200.64 and 256,120,570.18

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Solution

The fourth proportional to 354,585,958.66, 532,086,200.64 and 256,120,570.18 is: 384,330,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,585,958.66 : 532,086,200.64 = 256,120,570.18 : x
  2. Step 2: Convert to fraction form
    354,585,958.66/532,086,200.64 = 256,120,570.18/x
  3. Step 3: Cross multiply
    354,585,958.66x = 532,086,200.64 × 256,120,570.18
  4. Step 4: Simplify right side
    354,585,958.66x = 136,278,221,092,826,688
  5. Step 5: Solve for x
    x = 136,278,221,092,826,688/354,585,958.66
  6. Step 6: Final answer
    x = 384,330,562.91

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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.