Home / 459,821,604.60-690,037,038.72-252,704,656.44

Finding the Fourth Proportional to 459,821,604.60, 690,037,038.72 and 252,704,656.44

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Solution

The fourth proportional to 459,821,604.60, 690,037,038.72 and 252,704,656.44 is: 379,224,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,821,604.60 : 690,037,038.72 = 252,704,656.44 : x
  2. Step 2: Convert to fraction form
    459,821,604.60/690,037,038.72 = 252,704,656.44/x
  3. Step 3: Cross multiply
    459,821,604.60x = 690,037,038.72 × 252,704,656.44
  4. Step 4: Simplify right side
    459,821,604.60x = 174,375,572,800,612,576
  5. Step 5: Solve for x
    x = 174,375,572,800,612,576/459,821,604.60
  6. Step 6: Final answer
    x = 379,224,401.50

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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.