Home / 523,297,139.26-722,117,514-288,334,651

Finding the Fourth Proportional to 523,297,139.26, 722,117,514 and 288,334,651

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Solution

The fourth proportional to 523,297,139.26, 722,117,514 and 288,334,651 is: 397,883,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,297,139.26 : 722,117,514 = 288,334,651 : x
  2. Step 2: Convert to fraction form
    523,297,139.26/722,117,514 = 288,334,651/x
  3. Step 3: Cross multiply
    523,297,139.26x = 722,117,514 × 288,334,651
  4. Step 4: Simplify right side
    523,297,139.26x = 208,211,501,380,177,600
  5. Step 5: Solve for x
    x = 208,211,501,380,177,600/523,297,139.26
  6. Step 6: Final answer
    x = 397,883,889.97

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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.