Home / 25,509,211,773.80-38,263,817,660.70-18,897,235,428.20

Finding the Fourth Proportional to 25,509,211,773.80, 38,263,817,660.70 and 18,897,235,428.20

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Solution

The fourth proportional to 25,509,211,773.80, 38,263,817,660.70 and 18,897,235,428.20 is: 28,345,853,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,509,211,773.80 : 38,263,817,660.70 = 18,897,235,428.20 : x
  2. Step 2: Convert to fraction form
    25,509,211,773.80/38,263,817,660.70 = 18,897,235,428.20/x
  3. Step 3: Cross multiply
    25,509,211,773.80x = 38,263,817,660.70 × 18,897,235,428.20
  4. Step 4: Simplify right side
    25,509,211,773.80x = 723,080,370,715,964,866,560
  5. Step 5: Solve for x
    x = 723,080,370,715,964,866,560/25,509,211,773.80
  6. Step 6: Final answer
    x = 28,345,853,142.30

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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.