Home / 2,981,495,921.80-4,472,201,892.30-1,345,717,899.40

Finding the Fourth Proportional to 2,981,495,921.80, 4,472,201,892.30 and 1,345,717,899.40

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Solution

The fourth proportional to 2,981,495,921.80, 4,472,201,892.30 and 1,345,717,899.40 is: 2,018,557,896.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,495,921.80 : 4,472,201,892.30 = 1,345,717,899.40 : x
  2. Step 2: Convert to fraction form
    2,981,495,921.80/4,472,201,892.30 = 1,345,717,899.40/x
  3. Step 3: Cross multiply
    2,981,495,921.80x = 4,472,201,892.30 × 1,345,717,899.40
  4. Step 4: Simplify right side
    2,981,495,921.80x = 6,018,322,136,198,662,144
  5. Step 5: Solve for x
    x = 6,018,322,136,198,662,144/2,981,495,921.80
  6. Step 6: Final answer
    x = 2,018,557,896.46

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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.