Home / 313,392,023.80-470,088,035.70-311,376,484.60

Finding the Fourth Proportional to 313,392,023.80, 470,088,035.70 and 311,376,484.60

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Solution

The fourth proportional to 313,392,023.80, 470,088,035.70 and 311,376,484.60 is: 467,064,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,392,023.80 : 470,088,035.70 = 311,376,484.60 : x
  2. Step 2: Convert to fraction form
    313,392,023.80/470,088,035.70 = 311,376,484.60/x
  3. Step 3: Cross multiply
    313,392,023.80x = 470,088,035.70 × 311,376,484.60
  4. Step 4: Simplify right side
    313,392,023.80x = 146,374,360,008,785,312
  5. Step 5: Solve for x
    x = 146,374,360,008,785,312/313,392,023.80
  6. Step 6: Final answer
    x = 467,064,726.90

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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.