Home / 752,133,709.60-1,128,200,564.40-622,887,258.40

Finding the Fourth Proportional to 752,133,709.60, 1,128,200,564.40 and 622,887,258.40

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Solution

The fourth proportional to 752,133,709.60, 1,128,200,564.40 and 622,887,258.40 is: 934,330,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,133,709.60 : 1,128,200,564.40 = 622,887,258.40 : x
  2. Step 2: Convert to fraction form
    752,133,709.60/1,128,200,564.40 = 622,887,258.40/x
  3. Step 3: Cross multiply
    752,133,709.60x = 1,128,200,564.40 × 622,887,258.40
  4. Step 4: Simplify right side
    752,133,709.60x = 702,741,756,484,448,640
  5. Step 5: Solve for x
    x = 702,741,756,484,448,640/752,133,709.60
  6. Step 6: Final answer
    x = 934,330,887.60

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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.