Home / 449,339,923.40-674,009,885.10-372,749,433.80

Finding the Fourth Proportional to 449,339,923.40, 674,009,885.10 and 372,749,433.80

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Solution

The fourth proportional to 449,339,923.40, 674,009,885.10 and 372,749,433.80 is: 559,124,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,339,923.40 : 674,009,885.10 = 372,749,433.80 : x
  2. Step 2: Convert to fraction form
    449,339,923.40/674,009,885.10 = 372,749,433.80/x
  3. Step 3: Cross multiply
    449,339,923.40x = 674,009,885.10 × 372,749,433.80
  4. Step 4: Simplify right side
    449,339,923.40x = 251,236,803,046,628,064
  5. Step 5: Solve for x
    x = 251,236,803,046,628,064/449,339,923.40
  6. Step 6: Final answer
    x = 559,124,150.70

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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.