Home / 3,947,688,777.45-5,921,487,514.35-959,768,790.37

Finding the Fourth Proportional to 3,947,688,777.45, 5,921,487,514.35 and 959,768,790.37

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Solution

The fourth proportional to 3,947,688,777.45, 5,921,487,514.35 and 959,768,790.37 is: 1,439,642,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,688,777.45 : 5,921,487,514.35 = 959,768,790.37 : x
  2. Step 2: Convert to fraction form
    3,947,688,777.45/5,921,487,514.35 = 959,768,790.37/x
  3. Step 3: Cross multiply
    3,947,688,777.45x = 5,921,487,514.35 × 959,768,790.37
  4. Step 4: Simplify right side
    3,947,688,777.45x = 5,683,258,908,838,758,400
  5. Step 5: Solve for x
    x = 5,683,258,908,838,758,400/3,947,688,777.45
  6. Step 6: Final answer
    x = 1,439,642,086.61

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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.