Home / 39,766,334,408.51-54,878,704,910.44-21,703,009,178.12

Finding the Fourth Proportional to 39,766,334,408.51, 54,878,704,910.44 and 21,703,009,178.12

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Solution

The fourth proportional to 39,766,334,408.51, 54,878,704,910.44 and 21,703,009,178.12 is: 29,950,787,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766,334,408.51 : 54,878,704,910.44 = 21,703,009,178.12 : x
  2. Step 2: Convert to fraction form
    39,766,334,408.51/54,878,704,910.44 = 21,703,009,178.12/x
  3. Step 3: Cross multiply
    39,766,334,408.51x = 54,878,704,910.44 × 21,703,009,178.12
  4. Step 4: Simplify right side
    39,766,334,408.51x = 1,191,033,036,354,300,674,048
  5. Step 5: Solve for x
    x = 1,191,033,036,354,300,674,048/39,766,334,408.51
  6. Step 6: Final answer
    x = 29,950,787,621.49

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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.