Home / 528,415,855.35-729,215,584.31-293,466,515.82

Finding the Fourth Proportional to 528,415,855.35, 729,215,584.31 and 293,466,515.82

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Solution

The fourth proportional to 528,415,855.35, 729,215,584.31 and 293,466,515.82 is: 404,984,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,415,855.35 : 729,215,584.31 = 293,466,515.82 : x
  2. Step 2: Convert to fraction form
    528,415,855.35/729,215,584.31 = 293,466,515.82/x
  3. Step 3: Cross multiply
    528,415,855.35x = 729,215,584.31 × 293,466,515.82
  4. Step 4: Simplify right side
    528,415,855.35x = 214,000,356,809,834,816
  5. Step 5: Solve for x
    x = 214,000,356,809,834,816/528,415,855.35
  6. Step 6: Final answer
    x = 404,984,738.14

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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.