Home / 339,983,139.10-509,974,708.65-266,006,551.90

Finding the Fourth Proportional to 339,983,139.10, 509,974,708.65 and 266,006,551.90

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Solution

The fourth proportional to 339,983,139.10, 509,974,708.65 and 266,006,551.90 is: 399,009,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,983,139.10 : 509,974,708.65 = 266,006,551.90 : x
  2. Step 2: Convert to fraction form
    339,983,139.10/509,974,708.65 = 266,006,551.90/x
  3. Step 3: Cross multiply
    339,983,139.10x = 509,974,708.65 × 266,006,551.90
  4. Step 4: Simplify right side
    339,983,139.10x = 135,656,613,804,193,600
  5. Step 5: Solve for x
    x = 135,656,613,804,193,600/339,983,139.10
  6. Step 6: Final answer
    x = 399,009,827.85

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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.