Home / 1,245,156,028,251.10-1,867,815,995,086-326,247,868,979.05

Finding the Fourth Proportional to 1,245,156,028,251.10, 1,867,815,995,086 and 326,247,868,979.05

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Solution

The fourth proportional to 1,245,156,028,251.10, 1,867,815,995,086 and 326,247,868,979.05 is: 489,393,276,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,156,028,251.10 : 1,867,815,995,086 = 326,247,868,979.05 : x
  2. Step 2: Convert to fraction form
    1,245,156,028,251.10/1,867,815,995,086 = 326,247,868,979.05/x
  3. Step 3: Cross multiply
    1,245,156,028,251.10x = 1,867,815,995,086 × 326,247,868,979.05
  4. Step 4: Simplify right side
    1,245,156,028,251.10x = 609,370,988,041,791,252,463,616
  5. Step 5: Solve for x
    x = 609,370,988,041,791,252,463,616/1,245,156,028,251.10
  6. Step 6: Final answer
    x = 489,393,276,196.63

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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.