Home / 1,780,291,070.63-2,669,890,049.93-1,231,122,527.47

Finding the Fourth Proportional to 1,780,291,070.63, 2,669,890,049.93 and 1,231,122,527.47

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Solution

The fourth proportional to 1,780,291,070.63, 2,669,890,049.93 and 1,231,122,527.47 is: 1,846,305,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,291,070.63 : 2,669,890,049.93 = 1,231,122,527.47 : x
  2. Step 2: Convert to fraction form
    1,780,291,070.63/2,669,890,049.93 = 1,231,122,527.47/x
  3. Step 3: Cross multiply
    1,780,291,070.63x = 2,669,890,049.93 × 1,231,122,527.47
  4. Step 4: Simplify right side
    1,780,291,070.63x = 3,286,961,786,347,793,408
  5. Step 5: Solve for x
    x = 3,286,961,786,347,793,408/1,780,291,070.63
  6. Step 6: Final answer
    x = 1,846,305,831.99

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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.