Home / 354,307,529.40-531,461,294.10-262,474,524.60

Finding the Fourth Proportional to 354,307,529.40, 531,461,294.10 and 262,474,524.60

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Solution

The fourth proportional to 354,307,529.40, 531,461,294.10 and 262,474,524.60 is: 393,711,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,307,529.40 : 531,461,294.10 = 262,474,524.60 : x
  2. Step 2: Convert to fraction form
    354,307,529.40/531,461,294.10 = 262,474,524.60/x
  3. Step 3: Cross multiply
    354,307,529.40x = 531,461,294.10 × 262,474,524.60
  4. Step 4: Simplify right side
    354,307,529.40x = 139,495,050,512,198,288
  5. Step 5: Solve for x
    x = 139,495,050,512,198,288/354,307,529.40
  6. Step 6: Final answer
    x = 393,711,786.90

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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.