Home / 746,626,906.40-1,119,940,359.60-698,851,162.40

Finding the Fourth Proportional to 746,626,906.40, 1,119,940,359.60 and 698,851,162.40

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Solution

The fourth proportional to 746,626,906.40, 1,119,940,359.60 and 698,851,162.40 is: 1,048,276,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,626,906.40 : 1,119,940,359.60 = 698,851,162.40 : x
  2. Step 2: Convert to fraction form
    746,626,906.40/1,119,940,359.60 = 698,851,162.40/x
  3. Step 3: Cross multiply
    746,626,906.40x = 1,119,940,359.60 × 698,851,162.40
  4. Step 4: Simplify right side
    746,626,906.40x = 782,671,622,125,133,952
  5. Step 5: Solve for x
    x = 782,671,622,125,133,952/746,626,906.40
  6. Step 6: Final answer
    x = 1,048,276,743.60

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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.