Home / 577,371,015.40-866,056,523.10-393,705,005.80

Finding the Fourth Proportional to 577,371,015.40, 866,056,523.10 and 393,705,005.80

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Solution

The fourth proportional to 577,371,015.40, 866,056,523.10 and 393,705,005.80 is: 590,557,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,371,015.40 : 866,056,523.10 = 393,705,005.80 : x
  2. Step 2: Convert to fraction form
    577,371,015.40/866,056,523.10 = 393,705,005.80/x
  3. Step 3: Cross multiply
    577,371,015.40x = 866,056,523.10 × 393,705,005.80
  4. Step 4: Simplify right side
    577,371,015.40x = 340,970,788,450,213,376
  5. Step 5: Solve for x
    x = 340,970,788,450,213,376/577,371,015.40
  6. Step 6: Final answer
    x = 590,557,508.70

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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.