Home / 509,966,637.40-764,949,956.10-165,167,716.60

Finding the Fourth Proportional to 509,966,637.40, 764,949,956.10 and 165,167,716.60

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Solution

The fourth proportional to 509,966,637.40, 764,949,956.10 and 165,167,716.60 is: 247,751,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,966,637.40 : 764,949,956.10 = 165,167,716.60 : x
  2. Step 2: Convert to fraction form
    509,966,637.40/764,949,956.10 = 165,167,716.60/x
  3. Step 3: Cross multiply
    509,966,637.40x = 764,949,956.10 × 165,167,716.60
  4. Step 4: Simplify right side
    509,966,637.40x = 126,345,037,562,307,248
  5. Step 5: Solve for x
    x = 126,345,037,562,307,248/509,966,637.40
  6. Step 6: Final answer
    x = 247,751,574.90

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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.