Home / 39,404,744,546.88-54,377,875,416.96-21,340,114,360.32

Finding the Fourth Proportional to 39,404,744,546.88, 54,377,875,416.96 and 21,340,114,360.32

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Solution

The fourth proportional to 39,404,744,546.88, 54,377,875,416.96 and 21,340,114,360.32 is: 29,448,993,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,404,744,546.88 : 54,377,875,416.96 = 21,340,114,360.32 : x
  2. Step 2: Convert to fraction form
    39,404,744,546.88/54,377,875,416.96 = 21,340,114,360.32/x
  3. Step 3: Cross multiply
    39,404,744,546.88x = 54,377,875,416.96 × 21,340,114,360.32
  4. Step 4: Simplify right side
    39,404,744,546.88x = 1,160,430,080,069,160,009,728
  5. Step 5: Solve for x
    x = 1,160,430,080,069,160,009,728/39,404,744,546.88
  6. Step 6: Final answer
    x = 29,448,993,856.28

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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.