Home / 622,047,376.50-858,428,305.35-339,793,733.14

Finding the Fourth Proportional to 622,047,376.50, 858,428,305.35 and 339,793,733.14

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Solution

The fourth proportional to 622,047,376.50, 858,428,305.35 and 339,793,733.14 is: 468,916,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,047,376.50 : 858,428,305.35 = 339,793,733.14 : x
  2. Step 2: Convert to fraction form
    622,047,376.50/858,428,305.35 = 339,793,733.14/x
  3. Step 3: Cross multiply
    622,047,376.50x = 858,428,305.35 × 339,793,733.14
  4. Step 4: Simplify right side
    622,047,376.50x = 291,688,558,504,500,032
  5. Step 5: Solve for x
    x = 291,688,558,504,500,032/622,047,376.50
  6. Step 6: Final answer
    x = 468,916,949.94

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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.