Home / 1,471,996,085.55-2,208,013,360.59-489,422,624.88

Finding the Fourth Proportional to 1,471,996,085.55, 2,208,013,360.59 and 489,422,624.88

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Solution

The fourth proportional to 1,471,996,085.55, 2,208,013,360.59 and 489,422,624.88 is: 734,140,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,996,085.55 : 2,208,013,360.59 = 489,422,624.88 : x
  2. Step 2: Convert to fraction form
    1,471,996,085.55/2,208,013,360.59 = 489,422,624.88/x
  3. Step 3: Cross multiply
    1,471,996,085.55x = 2,208,013,360.59 × 489,422,624.88
  4. Step 4: Simplify right side
    1,471,996,085.55x = 1,080,651,694,710,067,840
  5. Step 5: Solve for x
    x = 1,080,651,694,710,067,840/1,471,996,085.55
  6. Step 6: Final answer
    x = 734,140,331.84

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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.