Home / 2,118,889,139.45-3,178,333,709.18-1,659,220,230.65

Finding the Fourth Proportional to 2,118,889,139.45, 3,178,333,709.18 and 1,659,220,230.65

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Solution

The fourth proportional to 2,118,889,139.45, 3,178,333,709.18 and 1,659,220,230.65 is: 2,488,830,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,889,139.45 : 3,178,333,709.18 = 1,659,220,230.65 : x
  2. Step 2: Convert to fraction form
    2,118,889,139.45/3,178,333,709.18 = 1,659,220,230.65/x
  3. Step 3: Cross multiply
    2,118,889,139.45x = 3,178,333,709.18 × 1,659,220,230.65
  4. Step 4: Simplify right side
    2,118,889,139.45x = 5,273,555,590,028,309,504
  5. Step 5: Solve for x
    x = 5,273,555,590,028,309,504/2,118,889,139.45
  6. Step 6: Final answer
    x = 2,488,830,345.98

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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.