Home / 323,966,123,494.56-485,772,034,689.72-257,241,984,076.80

Finding the Fourth Proportional to 323,966,123,494.56, 485,772,034,689.72 and 257,241,984,076.80

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Solution

The fourth proportional to 323,966,123,494.56, 485,772,034,689.72 and 257,241,984,076.80 is: 385,722,311,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,966,123,494.56 : 485,772,034,689.72 = 257,241,984,076.80 : x
  2. Step 2: Convert to fraction form
    323,966,123,494.56/485,772,034,689.72 = 257,241,984,076.80/x
  3. Step 3: Cross multiply
    323,966,123,494.56x = 485,772,034,689.72 × 257,241,984,076.80
  4. Step 4: Simplify right side
    323,966,123,494.56x = 124,960,962,012,607,668,027,392
  5. Step 5: Solve for x
    x = 124,960,962,012,607,668,027,392/323,966,123,494.56
  6. Step 6: Final answer
    x = 385,722,311,532.69

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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.