Home / 622,001,403.21-858,356,834.33-339,744,023.91

Finding the Fourth Proportional to 622,001,403.21, 858,356,834.33 and 339,744,023.91

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Solution

The fourth proportional to 622,001,403.21, 858,356,834.33 and 339,744,023.91 is: 468,843,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,001,403.21 : 858,356,834.33 = 339,744,023.91 : x
  2. Step 2: Convert to fraction form
    622,001,403.21/858,356,834.33 = 339,744,023.91/x
  3. Step 3: Cross multiply
    622,001,403.21x = 858,356,834.33 × 339,744,023.91
  4. Step 4: Simplify right side
    622,001,403.21x = 291,621,604,844,224,768
  5. Step 5: Solve for x
    x = 291,621,604,844,224,768/622,001,403.21
  6. Step 6: Final answer
    x = 468,843,966.17

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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.