Home / 857,509,463.27-1,286,325,674.21-359,018,344.73

Finding the Fourth Proportional to 857,509,463.27, 1,286,325,674.21 and 359,018,344.73

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Solution

The fourth proportional to 857,509,463.27, 1,286,325,674.21 and 359,018,344.73 is: 538,553,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,509,463.27 : 1,286,325,674.21 = 359,018,344.73 : x
  2. Step 2: Convert to fraction form
    857,509,463.27/1,286,325,674.21 = 359,018,344.73/x
  3. Step 3: Cross multiply
    857,509,463.27x = 1,286,325,674.21 × 359,018,344.73
  4. Step 4: Simplify right side
    857,509,463.27x = 461,814,514,338,575,488
  5. Step 5: Solve for x
    x = 461,814,514,338,575,488/857,509,463.27
  6. Step 6: Final answer
    x = 538,553,256.98

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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.