Home / 18,690,268,753.17-28,035,475,014.23-4,525,210,907.42

Finding the Fourth Proportional to 18,690,268,753.17, 28,035,475,014.23 and 4,525,210,907.42

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Solution

The fourth proportional to 18,690,268,753.17, 28,035,475,014.23 and 4,525,210,907.42 is: 6,787,833,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,268,753.17 : 28,035,475,014.23 = 4,525,210,907.42 : x
  2. Step 2: Convert to fraction form
    18,690,268,753.17/28,035,475,014.23 = 4,525,210,907.42/x
  3. Step 3: Cross multiply
    18,690,268,753.17x = 28,035,475,014.23 × 4,525,210,907.42
  4. Step 4: Simplify right side
    18,690,268,753.17x = 126,866,437,328,931,667,968
  5. Step 5: Solve for x
    x = 126,866,437,328,931,667,968/18,690,268,753.17
  6. Step 6: Final answer
    x = 6,787,833,765.49

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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.