Home / 510,522,998.08-704,512,168.14-312,269,928.52

Finding the Fourth Proportional to 510,522,998.08, 704,512,168.14 and 312,269,928.52

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Solution

The fourth proportional to 510,522,998.08, 704,512,168.14 and 312,269,928.52 is: 430,926,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,522,998.08 : 704,512,168.14 = 312,269,928.52 : x
  2. Step 2: Convert to fraction form
    510,522,998.08/704,512,168.14 = 312,269,928.52/x
  3. Step 3: Cross multiply
    510,522,998.08x = 704,512,168.14 × 312,269,928.52
  4. Step 4: Simplify right side
    510,522,998.08x = 219,997,964,386,548,000
  5. Step 5: Solve for x
    x = 219,997,964,386,548,000/510,522,998.08
  6. Step 6: Final answer
    x = 430,926,648.19

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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.