Home / 3,171,312,821.10-4,756,969,231.65-1,931,567,256.30

Finding the Fourth Proportional to 3,171,312,821.10, 4,756,969,231.65 and 1,931,567,256.30

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Solution

The fourth proportional to 3,171,312,821.10, 4,756,969,231.65 and 1,931,567,256.30 is: 2,897,350,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,312,821.10 : 4,756,969,231.65 = 1,931,567,256.30 : x
  2. Step 2: Convert to fraction form
    3,171,312,821.10/4,756,969,231.65 = 1,931,567,256.30/x
  3. Step 3: Cross multiply
    3,171,312,821.10x = 4,756,969,231.65 × 1,931,567,256.30
  4. Step 4: Simplify right side
    3,171,312,821.10x = 9,188,406,007,081,708,544
  5. Step 5: Solve for x
    x = 9,188,406,007,081,708,544/3,171,312,821.10
  6. Step 6: Final answer
    x = 2,897,350,884.45

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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.