Home / 2,822,028,971.34-4,232,769,929.76-856,899,323.66

Finding the Fourth Proportional to 2,822,028,971.34, 4,232,769,929.76 and 856,899,323.66

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Solution

The fourth proportional to 2,822,028,971.34, 4,232,769,929.76 and 856,899,323.66 is: 1,285,265,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822,028,971.34 : 4,232,769,929.76 = 856,899,323.66 : x
  2. Step 2: Convert to fraction form
    2,822,028,971.34/4,232,769,929.76 = 856,899,323.66/x
  3. Step 3: Cross multiply
    2,822,028,971.34x = 4,232,769,929.76 × 856,899,323.66
  4. Step 4: Simplify right side
    2,822,028,971.34x = 3,627,057,690,019,729,920
  5. Step 5: Solve for x
    x = 3,627,057,690,019,729,920/2,822,028,971.34
  6. Step 6: Final answer
    x = 1,285,265,929.89

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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.