Home / 1,148,071,451.16-1,722,380,879.46-371,717,345.64

Finding the Fourth Proportional to 1,148,071,451.16, 1,722,380,879.46 and 371,717,345.64

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Solution

The fourth proportional to 1,148,071,451.16, 1,722,380,879.46 and 371,717,345.64 is: 557,664,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,071,451.16 : 1,722,380,879.46 = 371,717,345.64 : x
  2. Step 2: Convert to fraction form
    1,148,071,451.16/1,722,380,879.46 = 371,717,345.64/x
  3. Step 3: Cross multiply
    1,148,071,451.16x = 1,722,380,879.46 × 371,717,345.64
  4. Step 4: Simplify right side
    1,148,071,451.16x = 640,238,848,693,959,936
  5. Step 5: Solve for x
    x = 640,238,848,693,959,936/1,148,071,451.16
  6. Step 6: Final answer
    x = 557,664,636.68

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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.