Home / 580,336,720.40-869,371,339.80-349,620,467.60

Finding the Fourth Proportional to 580,336,720.40, 869,371,339.80 and 349,620,467.60

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Solution

The fourth proportional to 580,336,720.40, 869,371,339.80 and 349,620,467.60 is: 523,747,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,336,720.40 : 869,371,339.80 = 349,620,467.60 : x
  2. Step 2: Convert to fraction form
    580,336,720.40/869,371,339.80 = 349,620,467.60/x
  3. Step 3: Cross multiply
    580,336,720.40x = 869,371,339.80 × 349,620,467.60
  4. Step 4: Simplify right side
    580,336,720.40x = 303,950,014,338,914,496
  5. Step 5: Solve for x
    x = 303,950,014,338,914,496/580,336,720.40
  6. Step 6: Final answer
    x = 523,747,685.88

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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.