Home / 898,320,838.90-1,347,481,258.35-766,806,906.10

Finding the Fourth Proportional to 898,320,838.90, 1,347,481,258.35 and 766,806,906.10

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Solution

The fourth proportional to 898,320,838.90, 1,347,481,258.35 and 766,806,906.10 is: 1,150,210,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,320,838.90 : 1,347,481,258.35 = 766,806,906.10 : x
  2. Step 2: Convert to fraction form
    898,320,838.90/1,347,481,258.35 = 766,806,906.10/x
  3. Step 3: Cross multiply
    898,320,838.90x = 1,347,481,258.35 × 766,806,906.10
  4. Step 4: Simplify right side
    898,320,838.90x = 1,033,257,934,743,098,240
  5. Step 5: Solve for x
    x = 1,033,257,934,743,098,240/898,320,838.90
  6. Step 6: Final answer
    x = 1,150,210,359.15

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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.