Home / 27,128,795,931.21-40,697,829,939.03-11,184,416,393.58

Finding the Fourth Proportional to 27,128,795,931.21, 40,697,829,939.03 and 11,184,416,393.58

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Solution

The fourth proportional to 27,128,795,931.21, 40,697,829,939.03 and 11,184,416,393.58 is: 16,778,535,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128,795,931.21 : 40,697,829,939.03 = 11,184,416,393.58 : x
  2. Step 2: Convert to fraction form
    27,128,795,931.21/40,697,829,939.03 = 11,184,416,393.58/x
  3. Step 3: Cross multiply
    27,128,795,931.21x = 40,697,829,939.03 × 11,184,416,393.58
  4. Step 4: Simplify right side
    27,128,795,931.21x = 455,181,476,353,077,608,448
  5. Step 5: Solve for x
    x = 455,181,476,353,077,608,448/27,128,795,931.21
  6. Step 6: Final answer
    x = 16,778,535,896.22

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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.