Home / 376,066,874.80-564,100,312.20-311,443,649.20

Finding the Fourth Proportional to 376,066,874.80, 564,100,312.20 and 311,443,649.20

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Solution

The fourth proportional to 376,066,874.80, 564,100,312.20 and 311,443,649.20 is: 467,165,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,066,874.80 : 564,100,312.20 = 311,443,649.20 : x
  2. Step 2: Convert to fraction form
    376,066,874.80/564,100,312.20 = 311,443,649.20/x
  3. Step 3: Cross multiply
    376,066,874.80x = 564,100,312.20 × 311,443,649.20
  4. Step 4: Simplify right side
    376,066,874.80x = 175,685,459,746,427,296
  5. Step 5: Solve for x
    x = 175,685,459,746,427,296/376,066,874.80
  6. Step 6: Final answer
    x = 467,165,473.80

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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.