Home / 474,786,417.20-712,179,625.80-431,704,266.80

Finding the Fourth Proportional to 474,786,417.20, 712,179,625.80 and 431,704,266.80

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Solution

The fourth proportional to 474,786,417.20, 712,179,625.80 and 431,704,266.80 is: 647,556,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,786,417.20 : 712,179,625.80 = 431,704,266.80 : x
  2. Step 2: Convert to fraction form
    474,786,417.20/712,179,625.80 = 431,704,266.80/x
  3. Step 3: Cross multiply
    474,786,417.20x = 712,179,625.80 × 431,704,266.80
  4. Step 4: Simplify right side
    474,786,417.20x = 307,450,983,185,887,360
  5. Step 5: Solve for x
    x = 307,450,983,185,887,360/474,786,417.20
  6. Step 6: Final answer
    x = 647,556,400.20

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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.