Home / 341,018,891.77-470,498,642.26-208,721,967.61

Finding the Fourth Proportional to 341,018,891.77, 470,498,642.26 and 208,721,967.61

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Solution

The fourth proportional to 341,018,891.77, 470,498,642.26 and 208,721,967.61 is: 287,970,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,018,891.77 : 470,498,642.26 = 208,721,967.61 : x
  2. Step 2: Convert to fraction form
    341,018,891.77/470,498,642.26 = 208,721,967.61/x
  3. Step 3: Cross multiply
    341,018,891.77x = 470,498,642.26 × 208,721,967.61
  4. Step 4: Simplify right side
    341,018,891.77x = 98,203,402,370,340,704
  5. Step 5: Solve for x
    x = 98,203,402,370,340,704/341,018,891.77
  6. Step 6: Final answer
    x = 287,970,563.33

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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.