Home / 384,939,004.20-577,408,506.30-126,091,807.80

Finding the Fourth Proportional to 384,939,004.20, 577,408,506.30 and 126,091,807.80

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Solution

The fourth proportional to 384,939,004.20, 577,408,506.30 and 126,091,807.80 is: 189,137,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,939,004.20 : 577,408,506.30 = 126,091,807.80 : x
  2. Step 2: Convert to fraction form
    384,939,004.20/577,408,506.30 = 126,091,807.80/x
  3. Step 3: Cross multiply
    384,939,004.20x = 577,408,506.30 × 126,091,807.80
  4. Step 4: Simplify right side
    384,939,004.20x = 72,806,482,398,464,688
  5. Step 5: Solve for x
    x = 72,806,482,398,464,688/384,939,004.20
  6. Step 6: Final answer
    x = 189,137,711.70

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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.