Home / 339,983,140.60-509,974,710.90-312,773,361.40

Finding the Fourth Proportional to 339,983,140.60, 509,974,710.90 and 312,773,361.40

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Solution

The fourth proportional to 339,983,140.60, 509,974,710.90 and 312,773,361.40 is: 469,160,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,983,140.60 : 509,974,710.90 = 312,773,361.40 : x
  2. Step 2: Convert to fraction form
    339,983,140.60/509,974,710.90 = 312,773,361.40/x
  3. Step 3: Cross multiply
    339,983,140.60x = 509,974,710.90 × 312,773,361.40
  4. Step 4: Simplify right side
    339,983,140.60x = 159,506,504,557,186,208
  5. Step 5: Solve for x
    x = 159,506,504,557,186,208/339,983,140.60
  6. Step 6: Final answer
    x = 469,160,042.10

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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.