Home / 384,939,002.70-577,408,504.05-126,091,806.30

Finding the Fourth Proportional to 384,939,002.70, 577,408,504.05 and 126,091,806.30

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Solution

The fourth proportional to 384,939,002.70, 577,408,504.05 and 126,091,806.30 is: 189,137,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,939,002.70 : 577,408,504.05 = 126,091,806.30 : x
  2. Step 2: Convert to fraction form
    384,939,002.70/577,408,504.05 = 126,091,806.30/x
  3. Step 3: Cross multiply
    384,939,002.70x = 577,408,504.05 × 126,091,806.30
  4. Step 4: Simplify right side
    384,939,002.70x = 72,806,481,248,645,360
  5. Step 5: Solve for x
    x = 72,806,481,248,645,360/384,939,002.70
  6. Step 6: Final answer
    x = 189,137,709.45

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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.