Home / 696,403,491.73-961,036,786.32-383,130,979.66

Finding the Fourth Proportional to 696,403,491.73, 961,036,786.32 and 383,130,979.66

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Solution

The fourth proportional to 696,403,491.73, 961,036,786.32 and 383,130,979.66 is: 528,720,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,491.73 : 961,036,786.32 = 383,130,979.66 : x
  2. Step 2: Convert to fraction form
    696,403,491.73/961,036,786.32 = 383,130,979.66/x
  3. Step 3: Cross multiply
    696,403,491.73x = 961,036,786.32 × 383,130,979.66
  4. Step 4: Simplify right side
    696,403,491.73x = 368,202,965,432,079,744
  5. Step 5: Solve for x
    x = 368,202,965,432,079,744/696,403,491.73
  6. Step 6: Final answer
    x = 528,720,734.18

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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.