Home / 925,287,278.12-1,276,888,886.19-501,899,879.50

Finding the Fourth Proportional to 925,287,278.12, 1,276,888,886.19 and 501,899,879.50

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Solution

The fourth proportional to 925,287,278.12, 1,276,888,886.19 and 501,899,879.50 is: 692,617,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,287,278.12 : 1,276,888,886.19 = 501,899,879.50 : x
  2. Step 2: Convert to fraction form
    925,287,278.12/1,276,888,886.19 = 501,899,879.50/x
  3. Step 3: Cross multiply
    925,287,278.12x = 1,276,888,886.19 × 501,899,879.50
  4. Step 4: Simplify right side
    925,287,278.12x = 640,870,378,113,650,304
  5. Step 5: Solve for x
    x = 640,870,378,113,650,304/925,287,278.12
  6. Step 6: Final answer
    x = 692,617,734.26

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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.