Home / 388,739,829.19-583,106,226.80-122,845,584.72

Finding the Fourth Proportional to 388,739,829.19, 583,106,226.80 and 122,845,584.72

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Solution

The fourth proportional to 388,739,829.19, 583,106,226.80 and 122,845,584.72 is: 184,267,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,739,829.19 : 583,106,226.80 = 122,845,584.72 : x
  2. Step 2: Convert to fraction form
    388,739,829.19/583,106,226.80 = 122,845,584.72/x
  3. Step 3: Cross multiply
    388,739,829.19x = 583,106,226.80 × 122,845,584.72
  4. Step 4: Simplify right side
    388,739,829.19x = 71,632,025,385,962,464
  5. Step 5: Solve for x
    x = 71,632,025,385,962,464/388,739,829.19
  6. Step 6: Final answer
    x = 184,267,265.68

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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.