Home / 339,650,753.68-468,570,511.48-215,825,000.40

Finding the Fourth Proportional to 339,650,753.68, 468,570,511.48 and 215,825,000.40

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Solution

The fourth proportional to 339,650,753.68, 468,570,511.48 and 215,825,000.40 is: 297,744,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,650,753.68 : 468,570,511.48 = 215,825,000.40 : x
  2. Step 2: Convert to fraction form
    339,650,753.68/468,570,511.48 = 215,825,000.40/x
  3. Step 3: Cross multiply
    339,650,753.68x = 468,570,511.48 × 215,825,000.40
  4. Step 4: Simplify right side
    339,650,753.68x = 101,129,230,827,599,216
  5. Step 5: Solve for x
    x = 101,129,230,827,599,216/339,650,753.68
  6. Step 6: Final answer
    x = 297,744,756.14

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1.5x scale

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.