Home / 422,927,512.80-634,377,309.84-173,924,152.80

Finding the Fourth Proportional to 422,927,512.80, 634,377,309.84 and 173,924,152.80

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Solution

The fourth proportional to 422,927,512.80, 634,377,309.84 and 173,924,152.80 is: 260,880,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,927,512.80 : 634,377,309.84 = 173,924,152.80 : x
  2. Step 2: Convert to fraction form
    422,927,512.80/634,377,309.84 = 173,924,152.80/x
  3. Step 3: Cross multiply
    422,927,512.80x = 634,377,309.84 × 173,924,152.80
  4. Step 4: Simplify right side
    422,927,512.80x = 110,333,536,169,465,120
  5. Step 5: Solve for x
    x = 110,333,536,169,465,120/422,927,512.80
  6. Step 6: Final answer
    x = 260,880,488.57

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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.