Home / 776,088,812.35-1,164,294,959.33-258,679,993.15

Finding the Fourth Proportional to 776,088,812.35, 1,164,294,959.33 and 258,679,993.15

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Solution

The fourth proportional to 776,088,812.35, 1,164,294,959.33 and 258,679,993.15 is: 388,073,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,088,812.35 : 1,164,294,959.33 = 258,679,993.15 : x
  2. Step 2: Convert to fraction form
    776,088,812.35/1,164,294,959.33 = 258,679,993.15/x
  3. Step 3: Cross multiply
    776,088,812.35x = 1,164,294,959.33 × 258,679,993.15
  4. Step 4: Simplify right side
    776,088,812.35x = 301,179,812,102,770,560
  5. Step 5: Solve for x
    x = 301,179,812,102,770,560/776,088,812.35
  6. Step 6: Final answer
    x = 388,073,899.93

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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.