Home / 400,015,739,494.43-552,022,129,048.27-217,112,878,847.41

Finding the Fourth Proportional to 400,015,739,494.43, 552,022,129,048.27 and 217,112,878,847.41

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Solution

The fourth proportional to 400,015,739,494.43, 552,022,129,048.27 and 217,112,878,847.41 is: 299,615,994,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,015,739,494.43 : 552,022,129,048.27 = 217,112,878,847.41 : x
  2. Step 2: Convert to fraction form
    400,015,739,494.43/552,022,129,048.27 = 217,112,878,847.41/x
  3. Step 3: Cross multiply
    400,015,739,494.43x = 552,022,129,048.27 × 217,112,878,847.41
  4. Step 4: Simplify right side
    400,015,739,494.43x = 119,851,113,625,146,374,488,064
  5. Step 5: Solve for x
    x = 119,851,113,625,146,374,488,064/400,015,739,494.43
  6. Step 6: Final answer
    x = 299,615,994,552.17

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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.