Home / 1,449,981,008.10-2,174,971,512.15-898,982,979.30

Finding the Fourth Proportional to 1,449,981,008.10, 2,174,971,512.15 and 898,982,979.30

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Solution

The fourth proportional to 1,449,981,008.10, 2,174,971,512.15 and 898,982,979.30 is: 1,348,474,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,981,008.10 : 2,174,971,512.15 = 898,982,979.30 : x
  2. Step 2: Convert to fraction form
    1,449,981,008.10/2,174,971,512.15 = 898,982,979.30/x
  3. Step 3: Cross multiply
    1,449,981,008.10x = 2,174,971,512.15 × 898,982,979.30
  4. Step 4: Simplify right side
    1,449,981,008.10x = 1,955,262,369,885,233,152
  5. Step 5: Solve for x
    x = 1,955,262,369,885,233,152/1,449,981,008.10
  6. Step 6: Final answer
    x = 1,348,474,468.95

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Half scale
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Double scale
Find fourth proportional to 1,449,981,009.10, 2,174,971,513.65 and 898,982,980.30
Similar ratio
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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.