Home / 2,781,330,342.40-4,172,555,385.60-816,179,622.40

Finding the Fourth Proportional to 2,781,330,342.40, 4,172,555,385.60 and 816,179,622.40

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Solution

The fourth proportional to 2,781,330,342.40, 4,172,555,385.60 and 816,179,622.40 is: 1,224,433,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781,330,342.40 : 4,172,555,385.60 = 816,179,622.40 : x
  2. Step 2: Convert to fraction form
    2,781,330,342.40/4,172,555,385.60 = 816,179,622.40/x
  3. Step 3: Cross multiply
    2,781,330,342.40x = 4,172,555,385.60 × 816,179,622.40
  4. Step 4: Simplify right side
    2,781,330,342.40x = 3,405,554,679,062,094,336
  5. Step 5: Solve for x
    x = 3,405,554,679,062,094,336/2,781,330,342.40
  6. Step 6: Final answer
    x = 1,224,433,727.68

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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.