Home / 509,334,273.40-764,001,410.10-145,828,629.40

Finding the Fourth Proportional to 509,334,273.40, 764,001,410.10 and 145,828,629.40

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Solution

The fourth proportional to 509,334,273.40, 764,001,410.10 and 145,828,629.40 is: 218,742,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,334,273.40 : 764,001,410.10 = 145,828,629.40 : x
  2. Step 2: Convert to fraction form
    509,334,273.40/764,001,410.10 = 145,828,629.40/x
  3. Step 3: Cross multiply
    509,334,273.40x = 764,001,410.10 × 145,828,629.40
  4. Step 4: Simplify right side
    509,334,273.40x = 111,413,278,494,550,320
  5. Step 5: Solve for x
    x = 111,413,278,494,550,320/509,334,273.40
  6. Step 6: Final answer
    x = 218,742,944.10

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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.