Home / 1,083,357,012.93-1,624,523,253.52-419,681,879.97

Finding the Fourth Proportional to 1,083,357,012.93, 1,624,523,253.52 and 419,681,879.97

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Solution

The fourth proportional to 1,083,357,012.93, 1,624,523,253.52 and 419,681,879.97 is: 629,324,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,357,012.93 : 1,624,523,253.52 = 419,681,879.97 : x
  2. Step 2: Convert to fraction form
    1,083,357,012.93/1,624,523,253.52 = 419,681,879.97/x
  3. Step 3: Cross multiply
    1,083,357,012.93x = 1,624,523,253.52 × 419,681,879.97
  4. Step 4: Simplify right side
    1,083,357,012.93x = 681,782,973,092,254,592
  5. Step 5: Solve for x
    x = 681,782,973,092,254,592/1,083,357,012.93
  6. Step 6: Final answer
    x = 629,324,373.18

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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.