Home / 384,611,387.40-576,917,081.10-346,316,142.60

Finding the Fourth Proportional to 384,611,387.40, 576,917,081.10 and 346,316,142.60

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Solution

The fourth proportional to 384,611,387.40, 576,917,081.10 and 346,316,142.60 is: 519,474,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,611,387.40 : 576,917,081.10 = 346,316,142.60 : x
  2. Step 2: Convert to fraction form
    384,611,387.40/576,917,081.10 = 346,316,142.60/x
  3. Step 3: Cross multiply
    384,611,387.40x = 576,917,081.10 × 346,316,142.60
  4. Step 4: Simplify right side
    384,611,387.40x = 199,795,698,126,603,392
  5. Step 5: Solve for x
    x = 199,795,698,126,603,392/384,611,387.40
  6. Step 6: Final answer
    x = 519,474,213.90

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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.