Home / 696,403,911.88-961,037,366.61-383,131,405.27

Finding the Fourth Proportional to 696,403,911.88, 961,037,366.61 and 383,131,405.27

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Solution

The fourth proportional to 696,403,911.88, 961,037,366.61 and 383,131,405.27 is: 528,721,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,911.88 : 961,037,366.61 = 383,131,405.27 : x
  2. Step 2: Convert to fraction form
    696,403,911.88/961,037,366.61 = 383,131,405.27/x
  3. Step 3: Cross multiply
    696,403,911.88x = 961,037,366.61 × 383,131,405.27
  4. Step 4: Simplify right side
    696,403,911.88x = 368,203,596,786,269,440
  5. Step 5: Solve for x
    x = 368,203,596,786,269,440/696,403,911.88
  6. Step 6: Final answer
    x = 528,721,321.79

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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.