Home / 696,403,923.88-961,037,383.18-383,131,417.28

Finding the Fourth Proportional to 696,403,923.88, 961,037,383.18 and 383,131,417.28

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Solution

The fourth proportional to 696,403,923.88, 961,037,383.18 and 383,131,417.28 is: 528,721,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,923.88 : 961,037,383.18 = 383,131,417.28 : x
  2. Step 2: Convert to fraction form
    696,403,923.88/961,037,383.18 = 383,131,417.28/x
  3. Step 3: Cross multiply
    696,403,923.88x = 961,037,383.18 × 383,131,417.28
  4. Step 4: Simplify right side
    696,403,923.88x = 368,203,614,676,815,808
  5. Step 5: Solve for x
    x = 368,203,614,676,815,808/696,403,923.88
  6. Step 6: Final answer
    x = 528,721,338.37

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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.