Home / 468,042,077.20-645,908,519.28-267,094,949.98

Finding the Fourth Proportional to 468,042,077.20, 645,908,519.28 and 267,094,949.98

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Solution

The fourth proportional to 468,042,077.20, 645,908,519.28 and 267,094,949.98 is: 368,596,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,042,077.20 : 645,908,519.28 = 267,094,949.98 : x
  2. Step 2: Convert to fraction form
    468,042,077.20/645,908,519.28 = 267,094,949.98/x
  3. Step 3: Cross multiply
    468,042,077.20x = 645,908,519.28 × 267,094,949.98
  4. Step 4: Simplify right side
    468,042,077.20x = 172,518,903,648,747,456
  5. Step 5: Solve for x
    x = 172,518,903,648,747,456/468,042,077.20
  6. Step 6: Final answer
    x = 368,596,995.98

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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.