Home / 465,277,086.95-642,080,439.74-256,432,731.17

Finding the Fourth Proportional to 465,277,086.95, 642,080,439.74 and 256,432,731.17

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Solution

The fourth proportional to 465,277,086.95, 642,080,439.74 and 256,432,731.17 is: 353,876,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,277,086.95 : 642,080,439.74 = 256,432,731.17 : x
  2. Step 2: Convert to fraction form
    465,277,086.95/642,080,439.74 = 256,432,731.17/x
  3. Step 3: Cross multiply
    465,277,086.95x = 642,080,439.74 × 256,432,731.17
  4. Step 4: Simplify right side
    465,277,086.95x = 164,650,440,793,362,784
  5. Step 5: Solve for x
    x = 164,650,440,793,362,784/465,277,086.95
  6. Step 6: Final answer
    x = 353,876,099.67

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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.