Home / 1,372,181,274.42-1,893,638,191.08-745,690,059.78

Finding the Fourth Proportional to 1,372,181,274.42, 1,893,638,191.08 and 745,690,059.78

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Solution

The fourth proportional to 1,372,181,274.42, 1,893,638,191.08 and 745,690,059.78 is: 1,029,067,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,181,274.42 : 1,893,638,191.08 = 745,690,059.78 : x
  2. Step 2: Convert to fraction form
    1,372,181,274.42/1,893,638,191.08 = 745,690,059.78/x
  3. Step 3: Cross multiply
    1,372,181,274.42x = 1,893,638,191.08 × 745,690,059.78
  4. Step 4: Simplify right side
    1,372,181,274.42x = 1,412,067,175,908,136,192
  5. Step 5: Solve for x
    x = 1,412,067,175,908,136,192/1,372,181,274.42
  6. Step 6: Final answer
    x = 1,029,067,516.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.