Home / 375,907,952.57-518,710,900.33-208,651,264.36

Finding the Fourth Proportional to 375,907,952.57, 518,710,900.33 and 208,651,264.36

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Solution

The fourth proportional to 375,907,952.57, 518,710,900.33 and 208,651,264.36 is: 287,915,391.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,907,952.57 : 518,710,900.33 = 208,651,264.36 : x
  2. Step 2: Convert to fraction form
    375,907,952.57/518,710,900.33 = 208,651,264.36/x
  3. Step 3: Cross multiply
    375,907,952.57x = 518,710,900.33 × 208,651,264.36
  4. Step 4: Simplify right side
    375,907,952.57x = 108,229,685,190,417,424
  5. Step 5: Solve for x
    x = 108,229,685,190,417,424/375,907,952.57
  6. Step 6: Final answer
    x = 287,915,391.12

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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.