Home / 311,689,872,142.60-467,534,808,213.90-267,059,031,809.80

Finding the Fourth Proportional to 311,689,872,142.60, 467,534,808,213.90 and 267,059,031,809.80

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Solution

The fourth proportional to 311,689,872,142.60, 467,534,808,213.90 and 267,059,031,809.80 is: 400,588,547,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,689,872,142.60 : 467,534,808,213.90 = 267,059,031,809.80 : x
  2. Step 2: Convert to fraction form
    311,689,872,142.60/467,534,808,213.90 = 267,059,031,809.80/x
  3. Step 3: Cross multiply
    311,689,872,142.60x = 467,534,808,213.90 × 267,059,031,809.80
  4. Step 4: Simplify right side
    311,689,872,142.60x = 124,859,393,218,984,665,939,968
  5. Step 5: Solve for x
    x = 124,859,393,218,984,665,939,968/311,689,872,142.60
  6. Step 6: Final answer
    x = 400,588,547,714.70

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Similar ratio
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1.5x scale

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.