Home / 297,210,905.40-445,816,358.10-206,511,641.40

Finding the Fourth Proportional to 297,210,905.40, 445,816,358.10 and 206,511,641.40

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Solution

The fourth proportional to 297,210,905.40, 445,816,358.10 and 206,511,641.40 is: 309,767,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,210,905.40 : 445,816,358.10 = 206,511,641.40 : x
  2. Step 2: Convert to fraction form
    297,210,905.40/445,816,358.10 = 206,511,641.40/x
  3. Step 3: Cross multiply
    297,210,905.40x = 445,816,358.10 × 206,511,641.40
  4. Step 4: Simplify right side
    297,210,905.40x = 92,066,267,874,201,200
  5. Step 5: Solve for x
    x = 92,066,267,874,201,200/297,210,905.40
  6. Step 6: Final answer
    x = 309,767,462.10

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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.