Home / 12,637,478,163.11-17,431,322,458.66-8,127,059,551.82

Finding the Fourth Proportional to 12,637,478,163.11, 17,431,322,458.66 and 8,127,059,551.82

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Solution

The fourth proportional to 12,637,478,163.11, 17,431,322,458.66 and 8,127,059,551.82 is: 11,209,941,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,478,163.11 : 17,431,322,458.66 = 8,127,059,551.82 : x
  2. Step 2: Convert to fraction form
    12,637,478,163.11/17,431,322,458.66 = 8,127,059,551.82/x
  3. Step 3: Cross multiply
    12,637,478,163.11x = 17,431,322,458.66 × 8,127,059,551.82
  4. Step 4: Simplify right side
    12,637,478,163.11x = 141,665,395,688,403,828,736
  5. Step 5: Solve for x
    x = 141,665,395,688,403,828,736/12,637,478,163.11
  6. Step 6: Final answer
    x = 11,209,941,877.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.