Home / 385,563,310.50-532,071,920.76-218,295,255.62

Finding the Fourth Proportional to 385,563,310.50, 532,071,920.76 and 218,295,255.62

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Solution

The fourth proportional to 385,563,310.50, 532,071,920.76 and 218,295,255.62 is: 301,244,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,563,310.50 : 532,071,920.76 = 218,295,255.62 : x
  2. Step 2: Convert to fraction form
    385,563,310.50/532,071,920.76 = 218,295,255.62/x
  3. Step 3: Cross multiply
    385,563,310.50x = 532,071,920.76 × 218,295,255.62
  4. Step 4: Simplify right side
    385,563,310.50x = 116,148,775,950,528,592
  5. Step 5: Solve for x
    x = 116,148,775,950,528,592/385,563,310.50
  6. Step 6: Final answer
    x = 301,244,368.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.