Home / 28,210,747,025.61-42,322,242,742.38-8,580,932,066.25

Finding the Fourth Proportional to 28,210,747,025.61, 42,322,242,742.38 and 8,580,932,066.25

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Solution

The fourth proportional to 28,210,747,025.61, 42,322,242,742.38 and 8,580,932,066.25 is: 12,873,260,305.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,210,747,025.61 : 42,322,242,742.38 = 8,580,932,066.25 : x
  2. Step 2: Convert to fraction form
    28,210,747,025.61/42,322,242,742.38 = 8,580,932,066.25/x
  3. Step 3: Cross multiply
    28,210,747,025.61x = 42,322,242,742.38 × 8,580,932,066.25
  4. Step 4: Simplify right side
    28,210,747,025.61x = 363,164,289,863,704,838,144
  5. Step 5: Solve for x
    x = 363,164,289,863,704,838,144/28,210,747,025.61
  6. Step 6: Final answer
    x = 12,873,260,305.16

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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.