Home / 313,392,032.80-470,088,049.20-311,376,493.60

Finding the Fourth Proportional to 313,392,032.80, 470,088,049.20 and 311,376,493.60

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Solution

The fourth proportional to 313,392,032.80, 470,088,049.20 and 311,376,493.60 is: 467,064,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,392,032.80 : 470,088,049.20 = 311,376,493.60 : x
  2. Step 2: Convert to fraction form
    313,392,032.80/470,088,049.20 = 311,376,493.60/x
  3. Step 3: Cross multiply
    313,392,032.80x = 470,088,049.20 × 311,376,493.60
  4. Step 4: Simplify right side
    313,392,032.80x = 146,374,368,443,160,288
  5. Step 5: Solve for x
    x = 146,374,368,443,160,288/313,392,032.80
  6. Step 6: Final answer
    x = 467,064,740.40

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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.