Home / 345,657,168.83-477,043,859.18-211,783,929

Finding the Fourth Proportional to 345,657,168.83, 477,043,859.18 and 211,783,929

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Solution

The fourth proportional to 345,657,168.83, 477,043,859.18 and 211,783,929 is: 292,284,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,657,168.83 : 477,043,859.18 = 211,783,929 : x
  2. Step 2: Convert to fraction form
    345,657,168.83/477,043,859.18 = 211,783,929/x
  3. Step 3: Cross multiply
    345,657,168.83x = 477,043,859.18 × 211,783,929
  4. Step 4: Simplify right side
    345,657,168.83x = 101,030,222,802,463,120
  5. Step 5: Solve for x
    x = 101,030,222,802,463,120/345,657,168.83
  6. Step 6: Final answer
    x = 292,284,471.18

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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.