Home / 1,268,557,434.02-1,902,908,868.11-335,856,045.70

Finding the Fourth Proportional to 1,268,557,434.02, 1,902,908,868.11 and 335,856,045.70

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Solution

The fourth proportional to 1,268,557,434.02, 1,902,908,868.11 and 335,856,045.70 is: 503,803,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,557,434.02 : 1,902,908,868.11 = 335,856,045.70 : x
  2. Step 2: Convert to fraction form
    1,268,557,434.02/1,902,908,868.11 = 335,856,045.70/x
  3. Step 3: Cross multiply
    1,268,557,434.02x = 1,902,908,868.11 × 335,856,045.70
  4. Step 4: Simplify right side
    1,268,557,434.02x = 639,103,447,770,887,424
  5. Step 5: Solve for x
    x = 639,103,447,770,887,424/1,268,557,434.02
  6. Step 6: Final answer
    x = 503,803,320.71

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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.