Home / 2,180,122,970.40-3,266,287,221.60-1,326,746,822.40

Finding the Fourth Proportional to 2,180,122,970.40, 3,266,287,221.60 and 1,326,746,822.40

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Solution

The fourth proportional to 2,180,122,970.40, 3,266,287,221.60 and 1,326,746,822.40 is: 1,987,748,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,122,970.40 : 3,266,287,221.60 = 1,326,746,822.40 : x
  2. Step 2: Convert to fraction form
    2,180,122,970.40/3,266,287,221.60 = 1,326,746,822.40/x
  3. Step 3: Cross multiply
    2,180,122,970.40x = 3,266,287,221.60 × 1,326,746,822.40
  4. Step 4: Simplify right side
    2,180,122,970.40x = 4,333,536,192,303,524,864
  5. Step 5: Solve for x
    x = 4,333,536,192,303,524,864/2,180,122,970.40
  6. Step 6: Final answer
    x = 1,987,748,512.88

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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.