Home / 587,293,761.51-879,024,477.02-431,806,342.95

Finding the Fourth Proportional to 587,293,761.51, 879,024,477.02 and 431,806,342.95

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Solution

The fourth proportional to 587,293,761.51, 879,024,477.02 and 431,806,342.95 is: 646,300,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,293,761.51 : 879,024,477.02 = 431,806,342.95 : x
  2. Step 2: Convert to fraction form
    587,293,761.51/879,024,477.02 = 431,806,342.95/x
  3. Step 3: Cross multiply
    587,293,761.51x = 879,024,477.02 × 431,806,342.95
  4. Step 4: Simplify right side
    587,293,761.51x = 379,568,344,783,383,488
  5. Step 5: Solve for x
    x = 379,568,344,783,383,488/587,293,761.51
  6. Step 6: Final answer
    x = 646,300,658.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.