Home / 468,185,091.87-645,577,777.90-298,370,454.73

Finding the Fourth Proportional to 468,185,091.87, 645,577,777.90 and 298,370,454.73

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Solution

The fourth proportional to 468,185,091.87, 645,577,777.90 and 298,370,454.73 is: 411,421,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,185,091.87 : 645,577,777.90 = 298,370,454.73 : x
  2. Step 2: Convert to fraction form
    468,185,091.87/645,577,777.90 = 298,370,454.73/x
  3. Step 3: Cross multiply
    468,185,091.87x = 645,577,777.90 × 298,370,454.73
  4. Step 4: Simplify right side
    468,185,091.87x = 192,621,335,154,364,992
  5. Step 5: Solve for x
    x = 192,621,335,154,364,992/468,185,091.87
  6. Step 6: Final answer
    x = 411,421,334.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.