Home / 1,322,729,235.07-1,984,136,825.15-389,973,864.67

Finding the Fourth Proportional to 1,322,729,235.07, 1,984,136,825.15 and 389,973,864.67

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Solution

The fourth proportional to 1,322,729,235.07, 1,984,136,825.15 and 389,973,864.67 is: 584,973,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,729,235.07 : 1,984,136,825.15 = 389,973,864.67 : x
  2. Step 2: Convert to fraction form
    1,322,729,235.07/1,984,136,825.15 = 389,973,864.67/x
  3. Step 3: Cross multiply
    1,322,729,235.07x = 1,984,136,825.15 × 389,973,864.67
  4. Step 4: Simplify right side
    1,322,729,235.07x = 773,761,505,737,809,664
  5. Step 5: Solve for x
    x = 773,761,505,737,809,664/1,322,729,235.07
  6. Step 6: Final answer
    x = 584,973,466.39

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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.