Home / 517,386,359.15-776,079,538.73-258,641,514.35

Finding the Fourth Proportional to 517,386,359.15, 776,079,538.73 and 258,641,514.35

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Solution

The fourth proportional to 517,386,359.15, 776,079,538.73 and 258,641,514.35 is: 387,962,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,386,359.15 : 776,079,538.73 = 258,641,514.35 : x
  2. Step 2: Convert to fraction form
    517,386,359.15/776,079,538.73 = 258,641,514.35/x
  3. Step 3: Cross multiply
    517,386,359.15x = 776,079,538.73 × 258,641,514.35
  4. Step 4: Simplify right side
    517,386,359.15x = 200,726,387,151,883,456
  5. Step 5: Solve for x
    x = 200,726,387,151,883,456/517,386,359.15
  6. Step 6: Final answer
    x = 387,962,271.53

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Similar ratio
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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.