Home / 384,611,342.40-576,917,013.60-346,316,097.60

Finding the Fourth Proportional to 384,611,342.40, 576,917,013.60 and 346,316,097.60

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Solution

The fourth proportional to 384,611,342.40, 576,917,013.60 and 346,316,097.60 is: 519,474,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,611,342.40 : 576,917,013.60 = 346,316,097.60 : x
  2. Step 2: Convert to fraction form
    384,611,342.40/576,917,013.60 = 346,316,097.60/x
  3. Step 3: Cross multiply
    384,611,342.40x = 576,917,013.60 × 346,316,097.60
  4. Step 4: Simplify right side
    384,611,342.40x = 199,795,648,788,998,144
  5. Step 5: Solve for x
    x = 199,795,648,788,998,144/384,611,342.40
  6. Step 6: Final answer
    x = 519,474,146.40

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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.