Home / 31,285,213,202.64-43,174,412,468.28-17,012,875,560.96

Finding the Fourth Proportional to 31,285,213,202.64, 43,174,412,468.28 and 17,012,875,560.96

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Solution

The fourth proportional to 31,285,213,202.64, 43,174,412,468.28 and 17,012,875,560.96 is: 23,478,213,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,213,202.64 : 43,174,412,468.28 = 17,012,875,560.96 : x
  2. Step 2: Convert to fraction form
    31,285,213,202.64/43,174,412,468.28 = 17,012,875,560.96/x
  3. Step 3: Cross multiply
    31,285,213,202.64x = 43,174,412,468.28 × 17,012,875,560.96
  4. Step 4: Simplify right side
    31,285,213,202.64x = 734,520,906,740,407,468,032
  5. Step 5: Solve for x
    x = 734,520,906,740,407,468,032/31,285,213,202.64
  6. Step 6: Final answer
    x = 23,478,213,237.12

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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.