Home / 545,030,747.60-816,571,812.90-331,686,710.60

Finding the Fourth Proportional to 545,030,747.60, 816,571,812.90 and 331,686,710.60

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Solution

The fourth proportional to 545,030,747.60, 816,571,812.90 and 331,686,710.60 is: 496,937,135.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,030,747.60 : 816,571,812.90 = 331,686,710.60 : x
  2. Step 2: Convert to fraction form
    545,030,747.60/816,571,812.90 = 331,686,710.60/x
  3. Step 3: Cross multiply
    545,030,747.60x = 816,571,812.90 × 331,686,710.60
  4. Step 4: Simplify right side
    545,030,747.60x = 270,846,018,589,479,648
  5. Step 5: Solve for x
    x = 270,846,018,589,479,648/545,030,747.60
  6. Step 6: Final answer
    x = 496,937,135.72

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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.