Home / 386,620,568.06-579,165,573.40-338,153,148.86

Finding the Fourth Proportional to 386,620,568.06, 579,165,573.40 and 338,153,148.86

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Solution

The fourth proportional to 386,620,568.06, 579,165,573.40 and 338,153,148.86 is: 506,560,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,620,568.06 : 579,165,573.40 = 338,153,148.86 : x
  2. Step 2: Convert to fraction form
    386,620,568.06/579,165,573.40 = 338,153,148.86/x
  3. Step 3: Cross multiply
    386,620,568.06x = 579,165,573.40 × 338,153,148.86
  4. Step 4: Simplify right side
    386,620,568.06x = 195,846,662,352,776,256
  5. Step 5: Solve for x
    x = 195,846,662,352,776,256/386,620,568.06
  6. Step 6: Final answer
    x = 506,560,381.25

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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.