Home / 486,026,474.47-670,718,300.72-263,008,132.61

Finding the Fourth Proportional to 486,026,474.47, 670,718,300.72 and 263,008,132.61

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Solution

The fourth proportional to 486,026,474.47, 670,718,300.72 and 263,008,132.61 is: 362,952,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,026,474.47 : 670,718,300.72 = 263,008,132.61 : x
  2. Step 2: Convert to fraction form
    486,026,474.47/670,718,300.72 = 263,008,132.61/x
  3. Step 3: Cross multiply
    486,026,474.47x = 670,718,300.72 × 263,008,132.61
  4. Step 4: Simplify right side
    486,026,474.47x = 176,404,367,775,050,976
  5. Step 5: Solve for x
    x = 176,404,367,775,050,976/486,026,474.47
  6. Step 6: Final answer
    x = 362,952,178.62

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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.