Home / 1,328,786,685.09-1,991,308,690.71-1,016,686,000.62

Finding the Fourth Proportional to 1,328,786,685.09, 1,991,308,690.71 and 1,016,686,000.62

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Solution

The fourth proportional to 1,328,786,685.09, 1,991,308,690.71 and 1,016,686,000.62 is: 1,523,597,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,786,685.09 : 1,991,308,690.71 = 1,016,686,000.62 : x
  2. Step 2: Convert to fraction form
    1,328,786,685.09/1,991,308,690.71 = 1,016,686,000.62/x
  3. Step 3: Cross multiply
    1,328,786,685.09x = 1,991,308,690.71 × 1,016,686,000.62
  4. Step 4: Simplify right side
    1,328,786,685.09x = 2,024,535,668,757,798,400
  5. Step 5: Solve for x
    x = 2,024,535,668,757,798,400/1,328,786,685.09
  6. Step 6: Final answer
    x = 1,523,597,196.96

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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.