Home / 414,105,824,966.93-621,220,846,047.35-145,447,452,688.73

Finding the Fourth Proportional to 414,105,824,966.93, 621,220,846,047.35 and 145,447,452,688.73

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Solution

The fourth proportional to 414,105,824,966.93, 621,220,846,047.35 and 145,447,452,688.73 is: 218,192,993,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,966.93 : 621,220,846,047.35 = 145,447,452,688.73 : x
  2. Step 2: Convert to fraction form
    414,105,824,966.93/621,220,846,047.35 = 145,447,452,688.73/x
  3. Step 3: Cross multiply
    414,105,824,966.93x = 621,220,846,047.35 × 145,447,452,688.73
  4. Step 4: Simplify right side
    414,105,824,966.93x = 90,354,989,614,724,770,955,264
  5. Step 5: Solve for x
    x = 90,354,989,614,724,770,955,264/414,105,824,966.93
  6. Step 6: Final answer
    x = 218,192,993,595.15

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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.