Home / 699,105,443.05-1,047,824,239.45-325,108,468.65

Finding the Fourth Proportional to 699,105,443.05, 1,047,824,239.45 and 325,108,468.65

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Solution

The fourth proportional to 699,105,443.05, 1,047,824,239.45 and 325,108,468.65 is: 487,274,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,105,443.05 : 1,047,824,239.45 = 325,108,468.65 : x
  2. Step 2: Convert to fraction form
    699,105,443.05/1,047,824,239.45 = 325,108,468.65/x
  3. Step 3: Cross multiply
    699,105,443.05x = 1,047,824,239.45 × 325,108,468.65
  4. Step 4: Simplify right side
    699,105,443.05x = 340,656,533,903,664,832
  5. Step 5: Solve for x
    x = 340,656,533,903,664,832/699,105,443.05
  6. Step 6: Final answer
    x = 487,274,898.64

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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.