Home / 31,270,884,873.61-43,158,538,280.39-19,070,667,968.22

Finding the Fourth Proportional to 31,270,884,873.61, 43,158,538,280.39 and 19,070,667,968.22

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Solution

The fourth proportional to 31,270,884,873.61, 43,158,538,280.39 and 19,070,667,968.22 is: 26,320,398,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270,884,873.61 : 43,158,538,280.39 = 19,070,667,968.22 : x
  2. Step 2: Convert to fraction form
    31,270,884,873.61/43,158,538,280.39 = 19,070,667,968.22/x
  3. Step 3: Cross multiply
    31,270,884,873.61x = 43,158,538,280.39 × 19,070,667,968.22
  4. Step 4: Simplify right side
    31,270,884,873.61x = 823,062,153,538,992,209,920
  5. Step 5: Solve for x
    x = 823,062,153,538,992,209,920/31,270,884,873.61
  6. Step 6: Final answer
    x = 26,320,398,570.92

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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.