Home / 354,295,205.10-531,442,807.65-216,545,697.90

Finding the Fourth Proportional to 354,295,205.10, 531,442,807.65 and 216,545,697.90

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Solution

The fourth proportional to 354,295,205.10, 531,442,807.65 and 216,545,697.90 is: 324,818,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,205.10 : 531,442,807.65 = 216,545,697.90 : x
  2. Step 2: Convert to fraction form
    354,295,205.10/531,442,807.65 = 216,545,697.90/x
  3. Step 3: Cross multiply
    354,295,205.10x = 531,442,807.65 × 216,545,697.90
  4. Step 4: Simplify right side
    354,295,205.10x = 115,081,653,676,504,704
  5. Step 5: Solve for x
    x = 115,081,653,676,504,704/354,295,205.10
  6. Step 6: Final answer
    x = 324,818,546.85

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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.