Home / 450,442,422.30-621,616,959.63-259,699,666.17

Finding the Fourth Proportional to 450,442,422.30, 621,616,959.63 and 259,699,666.17

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Solution

The fourth proportional to 450,442,422.30, 621,616,959.63 and 259,699,666.17 is: 358,389,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,442,422.30 : 621,616,959.63 = 259,699,666.17 : x
  2. Step 2: Convert to fraction form
    450,442,422.30/621,616,959.63 = 259,699,666.17/x
  3. Step 3: Cross multiply
    450,442,422.30x = 621,616,959.63 × 259,699,666.17
  4. Step 4: Simplify right side
    450,442,422.30x = 161,433,716,901,521,344
  5. Step 5: Solve for x
    x = 161,433,716,901,521,344/450,442,422.30
  6. Step 6: Final answer
    x = 358,389,238.91

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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.