Home / 12,637,478,162.73-17,431,322,458.14-8,127,059,551.44

Finding the Fourth Proportional to 12,637,478,162.73, 17,431,322,458.14 and 8,127,059,551.44

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Solution

The fourth proportional to 12,637,478,162.73, 17,431,322,458.14 and 8,127,059,551.44 is: 11,209,941,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,478,162.73 : 17,431,322,458.14 = 8,127,059,551.44 : x
  2. Step 2: Convert to fraction form
    12,637,478,162.73/17,431,322,458.14 = 8,127,059,551.44/x
  3. Step 3: Cross multiply
    12,637,478,162.73x = 17,431,322,458.14 × 8,127,059,551.44
  4. Step 4: Simplify right side
    12,637,478,162.73x = 141,665,395,677,657,251,840
  5. Step 5: Solve for x
    x = 141,665,395,677,657,251,840/12,637,478,162.73
  6. Step 6: Final answer
    x = 11,209,941,877.13

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Double scale
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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.