Home / 759,043,836.20-1,138,657,886.94-213,785,369.96

Finding the Fourth Proportional to 759,043,836.20, 1,138,657,886.94 and 213,785,369.96

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Solution

The fourth proportional to 759,043,836.20, 1,138,657,886.94 and 213,785,369.96 is: 320,704,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,043,836.20 : 1,138,657,886.94 = 213,785,369.96 : x
  2. Step 2: Convert to fraction form
    759,043,836.20/1,138,657,886.94 = 213,785,369.96/x
  3. Step 3: Cross multiply
    759,043,836.20x = 1,138,657,886.94 × 213,785,369.96
  4. Step 4: Simplify right side
    759,043,836.20x = 243,428,397,617,339,776
  5. Step 5: Solve for x
    x = 243,428,397,617,339,776/759,043,836.20
  6. Step 6: Final answer
    x = 320,704,004.18

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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.