Home / 752,516,388.60-1,128,335,258.34-291,916,342.68

Finding the Fourth Proportional to 752,516,388.60, 1,128,335,258.34 and 291,916,342.68

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Solution

The fourth proportional to 752,516,388.60, 1,128,335,258.34 and 291,916,342.68 is: 437,704,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,516,388.60 : 1,128,335,258.34 = 291,916,342.68 : x
  2. Step 2: Convert to fraction form
    752,516,388.60/1,128,335,258.34 = 291,916,342.68/x
  3. Step 3: Cross multiply
    752,516,388.60x = 1,128,335,258.34 × 291,916,342.68
  4. Step 4: Simplify right side
    752,516,388.60x = 329,379,501,931,505,728
  5. Step 5: Solve for x
    x = 329,379,501,931,505,728/752,516,388.60
  6. Step 6: Final answer
    x = 437,704,091.13

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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.