Home / 622,650,107.68-859,267,362.58-371,776,419.86

Finding the Fourth Proportional to 622,650,107.68, 859,267,362.58 and 371,776,419.86

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Solution

The fourth proportional to 622,650,107.68, 859,267,362.58 and 371,776,419.86 is: 513,057,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,650,107.68 : 859,267,362.58 = 371,776,419.86 : x
  2. Step 2: Convert to fraction form
    622,650,107.68/859,267,362.58 = 371,776,419.86/x
  3. Step 3: Cross multiply
    622,650,107.68x = 859,267,362.58 × 371,776,419.86
  4. Step 4: Simplify right side
    622,650,107.68x = 319,455,343,757,311,168
  5. Step 5: Solve for x
    x = 319,455,343,757,311,168/622,650,107.68
  6. Step 6: Final answer
    x = 513,057,558.04

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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.