Home / 459,416,941.98-688,738,051.53-200,442,212.70

Finding the Fourth Proportional to 459,416,941.98, 688,738,051.53 and 200,442,212.70

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Solution

The fourth proportional to 459,416,941.98, 688,738,051.53 and 200,442,212.70 is: 300,494,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,416,941.98 : 688,738,051.53 = 200,442,212.70 : x
  2. Step 2: Convert to fraction form
    459,416,941.98/688,738,051.53 = 200,442,212.70/x
  3. Step 3: Cross multiply
    459,416,941.98x = 688,738,051.53 × 200,442,212.70
  4. Step 4: Simplify right side
    459,416,941.98x = 138,052,179,019,359,808
  5. Step 5: Solve for x
    x = 138,052,179,019,359,808/459,416,941.98
  6. Step 6: Final answer
    x = 300,494,314.43

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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.