Home / 339,983,231.10-509,974,846.65-312,773,451.90

Finding the Fourth Proportional to 339,983,231.10, 509,974,846.65 and 312,773,451.90

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Solution

The fourth proportional to 339,983,231.10, 509,974,846.65 and 312,773,451.90 is: 469,160,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,983,231.10 : 509,974,846.65 = 312,773,451.90 : x
  2. Step 2: Convert to fraction form
    339,983,231.10/509,974,846.65 = 312,773,451.90/x
  3. Step 3: Cross multiply
    339,983,231.10x = 509,974,846.65 × 312,773,451.90
  4. Step 4: Simplify right side
    339,983,231.10x = 159,506,593,168,893,632
  5. Step 5: Solve for x
    x = 159,506,593,168,893,632/339,983,231.10
  6. Step 6: Final answer
    x = 469,160,177.85

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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.