Home / 1,449,982,021.60-2,174,973,032.40-898,983,992.80

Finding the Fourth Proportional to 1,449,982,021.60, 2,174,973,032.40 and 898,983,992.80

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Solution

The fourth proportional to 1,449,982,021.60, 2,174,973,032.40 and 898,983,992.80 is: 1,348,475,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,982,021.60 : 2,174,973,032.40 = 898,983,992.80 : x
  2. Step 2: Convert to fraction form
    1,449,982,021.60/2,174,973,032.40 = 898,983,992.80/x
  3. Step 3: Cross multiply
    1,449,982,021.60x = 2,174,973,032.40 × 898,983,992.80
  4. Step 4: Simplify right side
    1,449,982,021.60x = 1,955,265,940,899,275,776
  5. Step 5: Solve for x
    x = 1,955,265,940,899,275,776/1,449,982,021.60
  6. Step 6: Final answer
    x = 1,348,475,989.20

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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.