Home / 931,051,255.68-1,396,526,261.76-284,818,999.68

Finding the Fourth Proportional to 931,051,255.68, 1,396,526,261.76 and 284,818,999.68

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Solution

The fourth proportional to 931,051,255.68, 1,396,526,261.76 and 284,818,999.68 is: 427,213,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,051,255.68 : 1,396,526,261.76 = 284,818,999.68 : x
  2. Step 2: Convert to fraction form
    931,051,255.68/1,396,526,261.76 = 284,818,999.68/x
  3. Step 3: Cross multiply
    931,051,255.68x = 1,396,526,261.76 × 284,818,999.68
  4. Step 4: Simplify right side
    931,051,255.68x = 397,757,212,901,333,056
  5. Step 5: Solve for x
    x = 397,757,212,901,333,056/931,051,255.68
  6. Step 6: Final answer
    x = 427,213,013.76

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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.