Home / 696,988,168.40-961,807,162.40-383,661,183.62

Finding the Fourth Proportional to 696,988,168.40, 961,807,162.40 and 383,661,183.62

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Solution

The fourth proportional to 696,988,168.40, 961,807,162.40 and 383,661,183.62 is: 529,432,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,988,168.40 : 961,807,162.40 = 383,661,183.62 : x
  2. Step 2: Convert to fraction form
    696,988,168.40/961,807,162.40 = 383,661,183.62/x
  3. Step 3: Cross multiply
    696,988,168.40x = 961,807,162.40 × 383,661,183.62
  4. Step 4: Simplify right side
    696,988,168.40x = 369,008,074,342,491,008
  5. Step 5: Solve for x
    x = 369,008,074,342,491,008/696,988,168.40
  6. Step 6: Final answer
    x = 529,432,336.26

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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.