Home / 427,802,478,603.72-590,381,578,718.95-235,121,481,202.83

Finding the Fourth Proportional to 427,802,478,603.72, 590,381,578,718.95 and 235,121,481,202.83

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Solution

The fourth proportional to 427,802,478,603.72, 590,381,578,718.95 and 235,121,481,202.83 is: 324,475,425,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,802,478,603.72 : 590,381,578,718.95 = 235,121,481,202.83 : x
  2. Step 2: Convert to fraction form
    427,802,478,603.72/590,381,578,718.95 = 235,121,481,202.83/x
  3. Step 3: Cross multiply
    427,802,478,603.72x = 590,381,578,718.95 × 235,121,481,202.83
  4. Step 4: Simplify right side
    427,802,478,603.72x = 138,811,391,263,264,680,706,048
  5. Step 5: Solve for x
    x = 138,811,391,263,264,680,706,048/427,802,478,603.72
  6. Step 6: Final answer
    x = 324,475,425,472.81

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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.