Home / 489,342,699.12-733,786,459.74-178,233,726

Finding the Fourth Proportional to 489,342,699.12, 733,786,459.74 and 178,233,726

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Solution

The fourth proportional to 489,342,699.12, 733,786,459.74 and 178,233,726 is: 267,267,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,342,699.12 : 733,786,459.74 = 178,233,726 : x
  2. Step 2: Convert to fraction form
    489,342,699.12/733,786,459.74 = 178,233,726/x
  3. Step 3: Cross multiply
    489,342,699.12x = 733,786,459.74 × 178,233,726
  4. Step 4: Simplify right side
    489,342,699.12x = 130,785,494,807,809,200
  5. Step 5: Solve for x
    x = 130,785,494,807,809,200/489,342,699.12
  6. Step 6: Final answer
    x = 267,267,694.08

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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.