Home / 925,287,281.24-1,276,888,890.50-501,899,882.63

Finding the Fourth Proportional to 925,287,281.24, 1,276,888,890.50 and 501,899,882.63

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Solution

The fourth proportional to 925,287,281.24, 1,276,888,890.50 and 501,899,882.63 is: 692,617,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,287,281.24 : 1,276,888,890.50 = 501,899,882.63 : x
  2. Step 2: Convert to fraction form
    925,287,281.24/1,276,888,890.50 = 501,899,882.63/x
  3. Step 3: Cross multiply
    925,287,281.24x = 1,276,888,890.50 × 501,899,882.63
  4. Step 4: Simplify right side
    925,287,281.24x = 640,870,384,264,606,976
  5. Step 5: Solve for x
    x = 640,870,384,264,606,976/925,287,281.24
  6. Step 6: Final answer
    x = 692,617,738.57

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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.