Home / 622,144,972.98-858,586,145.58-357,827,039.82

Finding the Fourth Proportional to 622,144,972.98, 858,586,145.58 and 357,827,039.82

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Solution

The fourth proportional to 622,144,972.98, 858,586,145.58 and 357,827,039.82 is: 493,816,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,144,972.98 : 858,586,145.58 = 357,827,039.82 : x
  2. Step 2: Convert to fraction form
    622,144,972.98/858,586,145.58 = 357,827,039.82/x
  3. Step 3: Cross multiply
    622,144,972.98x = 858,586,145.58 × 357,827,039.82
  4. Step 4: Simplify right side
    622,144,972.98x = 307,225,338,903,355,008
  5. Step 5: Solve for x
    x = 307,225,338,903,355,008/622,144,972.98
  6. Step 6: Final answer
    x = 493,816,316.53

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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.