Home / 1,199,756,782.73-1,799,169,911.72-412,660,775.27

Finding the Fourth Proportional to 1,199,756,782.73, 1,799,169,911.72 and 412,660,775.27

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Solution

The fourth proportional to 1,199,756,782.73, 1,799,169,911.72 and 412,660,775.27 is: 618,831,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,756,782.73 : 1,799,169,911.72 = 412,660,775.27 : x
  2. Step 2: Convert to fraction form
    1,199,756,782.73/1,799,169,911.72 = 412,660,775.27/x
  3. Step 3: Cross multiply
    1,199,756,782.73x = 1,799,169,911.72 × 412,660,775.27
  4. Step 4: Simplify right side
    1,199,756,782.73x = 742,446,850,616,835,328
  5. Step 5: Solve for x
    x = 742,446,850,616,835,328/1,199,756,782.73
  6. Step 6: Final answer
    x = 618,831,134.20

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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.