Home / 699,536,007.60-1,049,304,011.40-214,861,815.60

Finding the Fourth Proportional to 699,536,007.60, 1,049,304,011.40 and 214,861,815.60

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Solution

The fourth proportional to 699,536,007.60, 1,049,304,011.40 and 214,861,815.60 is: 322,292,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,536,007.60 : 1,049,304,011.40 = 214,861,815.60 : x
  2. Step 2: Convert to fraction form
    699,536,007.60/1,049,304,011.40 = 214,861,815.60/x
  3. Step 3: Cross multiply
    699,536,007.60x = 1,049,304,011.40 × 214,861,815.60
  4. Step 4: Simplify right side
    699,536,007.60x = 225,455,365,005,767,072
  5. Step 5: Solve for x
    x = 225,455,365,005,767,072/699,536,007.60
  6. Step 6: Final answer
    x = 322,292,723.40

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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.