Home / 579,411,007.70-869,116,511.55-349,261,625.30

Finding the Fourth Proportional to 579,411,007.70, 869,116,511.55 and 349,261,625.30

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Solution

The fourth proportional to 579,411,007.70, 869,116,511.55 and 349,261,625.30 is: 523,892,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,411,007.70 : 869,116,511.55 = 349,261,625.30 : x
  2. Step 2: Convert to fraction form
    579,411,007.70/869,116,511.55 = 349,261,625.30/x
  3. Step 3: Cross multiply
    579,411,007.70x = 869,116,511.55 × 349,261,625.30
  4. Step 4: Simplify right side
    579,411,007.70x = 303,549,045,399,019,200
  5. Step 5: Solve for x
    x = 303,549,045,399,019,200/579,411,007.70
  6. Step 6: Final answer
    x = 523,892,437.95

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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.