Home / 1,293,584,003.80-1,940,376,005.70-647,118,467.80

Finding the Fourth Proportional to 1,293,584,003.80, 1,940,376,005.70 and 647,118,467.80

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Solution

The fourth proportional to 1,293,584,003.80, 1,940,376,005.70 and 647,118,467.80 is: 970,677,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,584,003.80 : 1,940,376,005.70 = 647,118,467.80 : x
  2. Step 2: Convert to fraction form
    1,293,584,003.80/1,940,376,005.70 = 647,118,467.80/x
  3. Step 3: Cross multiply
    1,293,584,003.80x = 1,940,376,005.70 × 647,118,467.80
  4. Step 4: Simplify right side
    1,293,584,003.80x = 1,255,653,147,764,467,968
  5. Step 5: Solve for x
    x = 1,255,653,147,764,467,968/1,293,584,003.80
  6. Step 6: Final answer
    x = 970,677,701.70

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Double scale
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1.5x scale

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.