Home / 1,099,696,536.70-1,649,544,805.05-409,460,965.90

Finding the Fourth Proportional to 1,099,696,536.70, 1,649,544,805.05 and 409,460,965.90

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Solution

The fourth proportional to 1,099,696,536.70, 1,649,544,805.05 and 409,460,965.90 is: 614,191,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,696,536.70 : 1,649,544,805.05 = 409,460,965.90 : x
  2. Step 2: Convert to fraction form
    1,099,696,536.70/1,649,544,805.05 = 409,460,965.90/x
  3. Step 3: Cross multiply
    1,099,696,536.70x = 1,649,544,805.05 × 409,460,965.90
  4. Step 4: Simplify right side
    1,099,696,536.70x = 675,424,209,171,100,160
  5. Step 5: Solve for x
    x = 675,424,209,171,100,160/1,099,696,536.70
  6. Step 6: Final answer
    x = 614,191,448.85

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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.