Home / 1,435,438,471.32-2,153,157,709.86-344,921,540.76

Finding the Fourth Proportional to 1,435,438,471.32, 2,153,157,709.86 and 344,921,540.76

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Solution

The fourth proportional to 1,435,438,471.32, 2,153,157,709.86 and 344,921,540.76 is: 517,382,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,438,471.32 : 2,153,157,709.86 = 344,921,540.76 : x
  2. Step 2: Convert to fraction form
    1,435,438,471.32/2,153,157,709.86 = 344,921,540.76/x
  3. Step 3: Cross multiply
    1,435,438,471.32x = 2,153,157,709.86 × 344,921,540.76
  4. Step 4: Simplify right side
    1,435,438,471.32x = 742,670,474,784,184,320
  5. Step 5: Solve for x
    x = 742,670,474,784,184,320/1,435,438,471.32
  6. Step 6: Final answer
    x = 517,382,311.83

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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.