Home / 18,690,268,752.41-28,035,475,013.11-4,525,210,906.66

Finding the Fourth Proportional to 18,690,268,752.41, 28,035,475,013.11 and 4,525,210,906.66

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Solution

The fourth proportional to 18,690,268,752.41, 28,035,475,013.11 and 4,525,210,906.66 is: 6,787,833,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,690,268,752.41 : 28,035,475,013.11 = 4,525,210,906.66 : x
  2. Step 2: Convert to fraction form
    18,690,268,752.41/28,035,475,013.11 = 4,525,210,906.66/x
  3. Step 3: Cross multiply
    18,690,268,752.41x = 28,035,475,013.11 × 4,525,210,906.66
  4. Step 4: Simplify right side
    18,690,268,752.41x = 126,866,437,302,635,610,112
  5. Step 5: Solve for x
    x = 126,866,437,302,635,610,112/18,690,268,752.41
  6. Step 6: Final answer
    x = 6,787,833,764.36

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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.