Home / 485,961,037.44-670,625,798.22-274,312,417.50

Finding the Fourth Proportional to 485,961,037.44, 670,625,798.22 and 274,312,417.50

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Solution

The fourth proportional to 485,961,037.44, 670,625,798.22 and 274,312,417.50 is: 378,550,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,961,037.44 : 670,625,798.22 = 274,312,417.50 : x
  2. Step 2: Convert to fraction form
    485,961,037.44/670,625,798.22 = 274,312,417.50/x
  3. Step 3: Cross multiply
    485,961,037.44x = 670,625,798.22 × 274,312,417.50
  4. Step 4: Simplify right side
    485,961,037.44x = 183,960,983,947,595,392
  5. Step 5: Solve for x
    x = 183,960,983,947,595,392/485,961,037.44
  6. Step 6: Final answer
    x = 378,550,891.48

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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.