Home / 664,316,129.40-996,474,194.10-358,206,113.40

Finding the Fourth Proportional to 664,316,129.40, 996,474,194.10 and 358,206,113.40

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Solution

The fourth proportional to 664,316,129.40, 996,474,194.10 and 358,206,113.40 is: 537,309,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,316,129.40 : 996,474,194.10 = 358,206,113.40 : x
  2. Step 2: Convert to fraction form
    664,316,129.40/996,474,194.10 = 358,206,113.40/x
  3. Step 3: Cross multiply
    664,316,129.40x = 996,474,194.10 × 358,206,113.40
  4. Step 4: Simplify right side
    664,316,129.40x = 356,943,148,171,958,208
  5. Step 5: Solve for x
    x = 356,943,148,171,958,208/664,316,129.40
  6. Step 6: Final answer
    x = 537,309,170.10

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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.