Home / 414,105,825,055.11-621,220,846,179.60-145,447,452,776.70

Finding the Fourth Proportional to 414,105,825,055.11, 621,220,846,179.60 and 145,447,452,776.70

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Solution

The fourth proportional to 414,105,825,055.11, 621,220,846,179.60 and 145,447,452,776.70 is: 218,192,993,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,825,055.11 : 621,220,846,179.60 = 145,447,452,776.70 : x
  2. Step 2: Convert to fraction form
    414,105,825,055.11/621,220,846,179.60 = 145,447,452,776.70/x
  3. Step 3: Cross multiply
    414,105,825,055.11x = 621,220,846,179.60 × 145,447,452,776.70
  4. Step 4: Simplify right side
    414,105,825,055.11x = 90,354,989,688,608,996,196,352
  5. Step 5: Solve for x
    x = 90,354,989,688,608,996,196,352/414,105,825,055.11
  6. Step 6: Final answer
    x = 218,192,993,727.11

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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.