Home / 696,561,643.62-1,044,993,630.96-211,874,854.50

Finding the Fourth Proportional to 696,561,643.62, 1,044,993,630.96 and 211,874,854.50

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Solution

The fourth proportional to 696,561,643.62, 1,044,993,630.96 and 211,874,854.50 is: 317,858,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,561,643.62 : 1,044,993,630.96 = 211,874,854.50 : x
  2. Step 2: Convert to fraction form
    696,561,643.62/1,044,993,630.96 = 211,874,854.50/x
  3. Step 3: Cross multiply
    696,561,643.62x = 1,044,993,630.96 × 211,874,854.50
  4. Step 4: Simplify right side
    696,561,643.62x = 221,407,873,513,076,704
  5. Step 5: Solve for x
    x = 221,407,873,513,076,704/696,561,643.62
  6. Step 6: Final answer
    x = 317,858,262.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.