Home / 31,454,315,970.52-43,406,662,683.89-17,181,138,132.05

Finding the Fourth Proportional to 31,454,315,970.52, 43,406,662,683.89 and 17,181,138,132.05

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Solution

The fourth proportional to 31,454,315,970.52, 43,406,662,683.89 and 17,181,138,132.05 is: 23,709,810,384.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454,315,970.52 : 43,406,662,683.89 = 17,181,138,132.05 : x
  2. Step 2: Convert to fraction form
    31,454,315,970.52/43,406,662,683.89 = 17,181,138,132.05/x
  3. Step 3: Cross multiply
    31,454,315,970.52x = 43,406,662,683.89 × 17,181,138,132.05
  4. Step 4: Simplify right side
    31,454,315,970.52x = 745,775,867,423,065,899,008
  5. Step 5: Solve for x
    x = 745,775,867,423,065,899,008/31,454,315,970.52
  6. Step 6: Final answer
    x = 23,709,810,384.11

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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.