Home / 247,421,000,171.20-370,931,221,836.64-77,353,048,452.56

Finding the Fourth Proportional to 247,421,000,171.20, 370,931,221,836.64 and 77,353,048,452.56

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Solution

The fourth proportional to 247,421,000,171.20, 370,931,221,836.64 and 77,353,048,452.56 is: 115,966,958,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,421,000,171.20 : 370,931,221,836.64 = 77,353,048,452.56 : x
  2. Step 2: Convert to fraction form
    247,421,000,171.20/370,931,221,836.64 = 77,353,048,452.56/x
  3. Step 3: Cross multiply
    247,421,000,171.20x = 370,931,221,836.64 × 77,353,048,452.56
  4. Step 4: Simplify right side
    247,421,000,171.20x = 28,692,660,775,295,412,862,976
  5. Step 5: Solve for x
    x = 28,692,660,775,295,412,862,976/247,421,000,171.20
  6. Step 6: Final answer
    x = 115,966,958,162.17

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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.