Home / 2,887,453,680.11-4,323,721,237.67-1,992,821,012.92

Finding the Fourth Proportional to 2,887,453,680.11, 4,323,721,237.67 and 1,992,821,012.92

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Solution

The fourth proportional to 2,887,453,680.11, 4,323,721,237.67 and 1,992,821,012.92 is: 2,984,083,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,453,680.11 : 4,323,721,237.67 = 1,992,821,012.92 : x
  2. Step 2: Convert to fraction form
    2,887,453,680.11/4,323,721,237.67 = 1,992,821,012.92/x
  3. Step 3: Cross multiply
    2,887,453,680.11x = 4,323,721,237.67 × 1,992,821,012.92
  4. Step 4: Simplify right side
    2,887,453,680.11x = 8,616,402,536,437,245,952
  5. Step 5: Solve for x
    x = 8,616,402,536,437,245,952/2,887,453,680.11
  6. Step 6: Final answer
    x = 2,984,083,379.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.