Home / 863,689,556.16-1,294,493,460.62-396,706,575.78

Finding the Fourth Proportional to 863,689,556.16, 1,294,493,460.62 and 396,706,575.78

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Solution

The fourth proportional to 863,689,556.16, 1,294,493,460.62 and 396,706,575.78 is: 594,581,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,689,556.16 : 1,294,493,460.62 = 396,706,575.78 : x
  2. Step 2: Convert to fraction form
    863,689,556.16/1,294,493,460.62 = 396,706,575.78/x
  3. Step 3: Cross multiply
    863,689,556.16x = 1,294,493,460.62 × 396,706,575.78
  4. Step 4: Simplify right side
    863,689,556.16x = 513,534,068,130,178,880
  5. Step 5: Solve for x
    x = 513,534,068,130,178,880/863,689,556.16
  6. Step 6: Final answer
    x = 594,581,773.59

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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.