Home / 470,947,830.75-706,367,844.27-125,928,361.94

Finding the Fourth Proportional to 470,947,830.75, 706,367,844.27 and 125,928,361.94

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Solution

The fourth proportional to 470,947,830.75, 706,367,844.27 and 125,928,361.94 is: 188,878,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,947,830.75 : 706,367,844.27 = 125,928,361.94 : x
  2. Step 2: Convert to fraction form
    470,947,830.75/706,367,844.27 = 125,928,361.94/x
  3. Step 3: Cross multiply
    470,947,830.75x = 706,367,844.27 × 125,928,361.94
  4. Step 4: Simplify right side
    470,947,830.75x = 88,951,745,552,478,272
  5. Step 5: Solve for x
    x = 88,951,745,552,478,272/470,947,830.75
  6. Step 6: Final answer
    x = 188,878,129.90

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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.