Home / 1,022,097,644.91-1,532,532,408.80-399,571,421.58

Finding the Fourth Proportional to 1,022,097,644.91, 1,532,532,408.80 and 399,571,421.58

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Solution

The fourth proportional to 1,022,097,644.91, 1,532,532,408.80 and 399,571,421.58 is: 599,117,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,097,644.91 : 1,532,532,408.80 = 399,571,421.58 : x
  2. Step 2: Convert to fraction form
    1,022,097,644.91/1,532,532,408.80 = 399,571,421.58/x
  3. Step 3: Cross multiply
    1,022,097,644.91x = 1,532,532,408.80 × 399,571,421.58
  4. Step 4: Simplify right side
    1,022,097,644.91x = 612,356,153,199,639,808
  5. Step 5: Solve for x
    x = 612,356,153,199,639,808/1,022,097,644.91
  6. Step 6: Final answer
    x = 599,117,076.78

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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.