Home / 776,713,977.65-1,165,062,992.13-448,980,955.97

Finding the Fourth Proportional to 776,713,977.65, 1,165,062,992.13 and 448,980,955.97

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Solution

The fourth proportional to 776,713,977.65, 1,165,062,992.13 and 448,980,955.97 is: 673,466,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,713,977.65 : 1,165,062,992.13 = 448,980,955.97 : x
  2. Step 2: Convert to fraction form
    776,713,977.65/1,165,062,992.13 = 448,980,955.97/x
  3. Step 3: Cross multiply
    776,713,977.65x = 1,165,062,992.13 × 448,980,955.97
  4. Step 4: Simplify right side
    776,713,977.65x = 523,091,095,965,970,688
  5. Step 5: Solve for x
    x = 523,091,095,965,970,688/776,713,977.65
  6. Step 6: Final answer
    x = 673,466,824.36

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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.