Home / 468,185,091.45-645,577,777.32-298,370,454.30

Finding the Fourth Proportional to 468,185,091.45, 645,577,777.32 and 298,370,454.30

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Solution

The fourth proportional to 468,185,091.45, 645,577,777.32 and 298,370,454.30 is: 411,421,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,185,091.45 : 645,577,777.32 = 298,370,454.30 : x
  2. Step 2: Convert to fraction form
    468,185,091.45/645,577,777.32 = 298,370,454.30/x
  3. Step 3: Cross multiply
    468,185,091.45x = 645,577,777.32 × 298,370,454.30
  4. Step 4: Simplify right side
    468,185,091.45x = 192,621,334,706,340,096
  5. Step 5: Solve for x
    x = 192,621,334,706,340,096/468,185,091.45
  6. Step 6: Final answer
    x = 411,421,333.62

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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.