Home / 27,128,795,689.32-40,697,829,570.72-11,184,416,151.78

Finding the Fourth Proportional to 27,128,795,689.32, 40,697,829,570.72 and 11,184,416,151.78

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Solution

The fourth proportional to 27,128,795,689.32, 40,697,829,570.72 and 11,184,416,151.78 is: 16,778,535,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128,795,689.32 : 40,697,829,570.72 = 11,184,416,151.78 : x
  2. Step 2: Convert to fraction form
    27,128,795,689.32/40,697,829,570.72 = 11,184,416,151.78/x
  3. Step 3: Cross multiply
    27,128,795,689.32x = 40,697,829,570.72 × 11,184,416,151.78
  4. Step 4: Simplify right side
    27,128,795,689.32x = 455,181,462,393,150,504,960
  5. Step 5: Solve for x
    x = 455,181,462,393,150,504,960/27,128,795,689.32
  6. Step 6: Final answer
    x = 16,778,535,531.25

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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.