Home / 31,454,315,971.52-43,406,662,685.27-17,181,138,133.05

Finding the Fourth Proportional to 31,454,315,971.52, 43,406,662,685.27 and 17,181,138,133.05

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Solution

The fourth proportional to 31,454,315,971.52, 43,406,662,685.27 and 17,181,138,133.05 is: 23,709,810,385.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454,315,971.52 : 43,406,662,685.27 = 17,181,138,133.05 : x
  2. Step 2: Convert to fraction form
    31,454,315,971.52/43,406,662,685.27 = 17,181,138,133.05/x
  3. Step 3: Cross multiply
    31,454,315,971.52x = 43,406,662,685.27 × 17,181,138,133.05
  4. Step 4: Simplify right side
    31,454,315,971.52x = 745,775,867,490,330,869,760
  5. Step 5: Solve for x
    x = 745,775,867,490,330,869,760/31,454,315,971.52
  6. Step 6: Final answer
    x = 23,709,810,385.50

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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.