Home / 672,743,145.30-1,009,114,717.95-491,344,617.30

Finding the Fourth Proportional to 672,743,145.30, 1,009,114,717.95 and 491,344,617.30

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Solution

The fourth proportional to 672,743,145.30, 1,009,114,717.95 and 491,344,617.30 is: 737,016,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,743,145.30 : 1,009,114,717.95 = 491,344,617.30 : x
  2. Step 2: Convert to fraction form
    672,743,145.30/1,009,114,717.95 = 491,344,617.30/x
  3. Step 3: Cross multiply
    672,743,145.30x = 1,009,114,717.95 × 491,344,617.30
  4. Step 4: Simplify right side
    672,743,145.30x = 495,823,084,902,940,224
  5. Step 5: Solve for x
    x = 495,823,084,902,940,224/672,743,145.30
  6. Step 6: Final answer
    x = 737,016,925.95

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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.