Home / 807,979,503.80-1,212,020,457.96-341,553,999.44

Finding the Fourth Proportional to 807,979,503.80, 1,212,020,457.96 and 341,553,999.44

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Solution

The fourth proportional to 807,979,503.80, 1,212,020,457.96 and 341,553,999.44 is: 512,352,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,979,503.80 : 1,212,020,457.96 = 341,553,999.44 : x
  2. Step 2: Convert to fraction form
    807,979,503.80/1,212,020,457.96 = 341,553,999.44/x
  3. Step 3: Cross multiply
    807,979,503.80x = 1,212,020,457.96 × 341,553,999.44
  4. Step 4: Simplify right side
    807,979,503.80x = 413,970,434,819,338,368
  5. Step 5: Solve for x
    x = 413,970,434,819,338,368/807,979,503.80
  6. Step 6: Final answer
    x = 512,352,643.69

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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.