Home / 898,159,505.40-1,348,247,027.70-694,590,046.20

Finding the Fourth Proportional to 898,159,505.40, 1,348,247,027.70 and 694,590,046.20

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Solution

The fourth proportional to 898,159,505.40, 1,348,247,027.70 and 694,590,046.20 is: 1,042,664,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,159,505.40 : 1,348,247,027.70 = 694,590,046.20 : x
  2. Step 2: Convert to fraction form
    898,159,505.40/1,348,247,027.70 = 694,590,046.20/x
  3. Step 3: Cross multiply
    898,159,505.40x = 1,348,247,027.70 × 694,590,046.20
  4. Step 4: Simplify right side
    898,159,505.40x = 936,478,965,259,155,840
  5. Step 5: Solve for x
    x = 936,478,965,259,155,840/898,159,505.40
  6. Step 6: Final answer
    x = 1,042,664,426.12

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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.