Home / 436,742,974.82-655,120,254.14-145,610,190.92

Finding the Fourth Proportional to 436,742,974.82, 655,120,254.14 and 145,610,190.92

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Solution

The fourth proportional to 436,742,974.82, 655,120,254.14 and 145,610,190.92 is: 218,417,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,742,974.82 : 655,120,254.14 = 145,610,190.92 : x
  2. Step 2: Convert to fraction form
    436,742,974.82/655,120,254.14 = 145,610,190.92/x
  3. Step 3: Cross multiply
    436,742,974.82x = 655,120,254.14 × 145,610,190.92
  4. Step 4: Simplify right side
    436,742,974.82x = 95,392,185,280,884,304
  5. Step 5: Solve for x
    x = 95,392,185,280,884,304/436,742,974.82
  6. Step 6: Final answer
    x = 218,417,217.40

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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.