Home / 1,389,516,011.43-2,084,391,723.05-444,250,374.57

Finding the Fourth Proportional to 1,389,516,011.43, 2,084,391,723.05 and 444,250,374.57

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Solution

The fourth proportional to 1,389,516,011.43, 2,084,391,723.05 and 444,250,374.57 is: 666,413,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,516,011.43 : 2,084,391,723.05 = 444,250,374.57 : x
  2. Step 2: Convert to fraction form
    1,389,516,011.43/2,084,391,723.05 = 444,250,374.57/x
  3. Step 3: Cross multiply
    1,389,516,011.43x = 2,084,391,723.05 × 444,250,374.57
  4. Step 4: Simplify right side
    1,389,516,011.43x = 925,991,803,713,491,968
  5. Step 5: Solve for x
    x = 925,991,803,713,491,968/1,389,516,011.43
  6. Step 6: Final answer
    x = 666,413,194.30

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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.