Home / 2,127,028,748.80-3,190,223,996.16-672,817,216

Finding the Fourth Proportional to 2,127,028,748.80, 3,190,223,996.16 and 672,817,216

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Solution

The fourth proportional to 2,127,028,748.80, 3,190,223,996.16 and 672,817,216 is: 1,009,124,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,028,748.80 : 3,190,223,996.16 = 672,817,216 : x
  2. Step 2: Convert to fraction form
    2,127,028,748.80/3,190,223,996.16 = 672,817,216/x
  3. Step 3: Cross multiply
    2,127,028,748.80x = 3,190,223,996.16 × 672,817,216
  4. Step 4: Simplify right side
    2,127,028,748.80x = 2,146,437,627,512,765,696
  5. Step 5: Solve for x
    x = 2,146,437,627,512,765,696/2,127,028,748.80
  6. Step 6: Final answer
    x = 1,009,124,878.41

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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.