Home / 622,145,047.89-858,586,249.14-357,827,114.73

Finding the Fourth Proportional to 622,145,047.89, 858,586,249.14 and 357,827,114.73

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Solution

The fourth proportional to 622,145,047.89, 858,586,249.14 and 357,827,114.73 is: 493,816,420.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,145,047.89 : 858,586,249.14 = 357,827,114.73 : x
  2. Step 2: Convert to fraction form
    622,145,047.89/858,586,249.14 = 357,827,114.73/x
  3. Step 3: Cross multiply
    622,145,047.89x = 858,586,249.14 × 357,827,114.73
  4. Step 4: Simplify right side
    622,145,047.89x = 307,225,440,276,619,136
  5. Step 5: Solve for x
    x = 307,225,440,276,619,136/622,145,047.89
  6. Step 6: Final answer
    x = 493,816,420.01

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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.