Home / 622,145,019.58-858,586,210.05-357,827,086.42

Finding the Fourth Proportional to 622,145,019.58, 858,586,210.05 and 357,827,086.42

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Solution

The fourth proportional to 622,145,019.58, 858,586,210.05 and 357,827,086.42 is: 493,816,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,145,019.58 : 858,586,210.05 = 357,827,086.42 : x
  2. Step 2: Convert to fraction form
    622,145,019.58/858,586,210.05 = 357,827,086.42/x
  3. Step 3: Cross multiply
    622,145,019.58x = 858,586,210.05 × 357,827,086.42
  4. Step 4: Simplify right side
    622,145,019.58x = 307,225,401,981,777,024
  5. Step 5: Solve for x
    x = 307,225,401,981,777,024/622,145,019.58
  6. Step 6: Final answer
    x = 493,816,380.93

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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.