Home / 485,036,919.60-669,350,288.32-276,193,061.76

Finding the Fourth Proportional to 485,036,919.60, 669,350,288.32 and 276,193,061.76

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Solution

The fourth proportional to 485,036,919.60, 669,350,288.32 and 276,193,061.76 is: 381,146,048.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,036,919.60 : 669,350,288.32 = 276,193,061.76 : x
  2. Step 2: Convert to fraction form
    485,036,919.60/669,350,288.32 = 276,193,061.76/x
  3. Step 3: Cross multiply
    485,036,919.60x = 669,350,288.32 × 276,193,061.76
  4. Step 4: Simplify right side
    485,036,919.60x = 184,869,905,521,039,584
  5. Step 5: Solve for x
    x = 184,869,905,521,039,584/485,036,919.60
  6. Step 6: Final answer
    x = 381,146,048.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.