Home / 1,238,433,255.93-1,709,015,790.15-673,898,883.58

Finding the Fourth Proportional to 1,238,433,255.93, 1,709,015,790.15 and 673,898,883.58

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Solution

The fourth proportional to 1,238,433,255.93, 1,709,015,790.15 and 673,898,883.58 is: 929,968,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,433,255.93 : 1,709,015,790.15 = 673,898,883.58 : x
  2. Step 2: Convert to fraction form
    1,238,433,255.93/1,709,015,790.15 = 673,898,883.58/x
  3. Step 3: Cross multiply
    1,238,433,255.93x = 1,709,015,790.15 × 673,898,883.58
  4. Step 4: Simplify right side
    1,238,433,255.93x = 1,151,703,832,998,140,672
  5. Step 5: Solve for x
    x = 1,151,703,832,998,140,672/1,238,433,255.93
  6. Step 6: Final answer
    x = 929,968,431.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.