Home / 384,912,200.40-577,368,300.60-126,135,862.80

Finding the Fourth Proportional to 384,912,200.40, 577,368,300.60 and 126,135,862.80

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Solution

The fourth proportional to 384,912,200.40, 577,368,300.60 and 126,135,862.80 is: 189,203,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,200.40 : 577,368,300.60 = 126,135,862.80 : x
  2. Step 2: Convert to fraction form
    384,912,200.40/577,368,300.60 = 126,135,862.80/x
  3. Step 3: Cross multiply
    384,912,200.40x = 577,368,300.60 × 126,135,862.80
  4. Step 4: Simplify right side
    384,912,200.40x = 72,826,848,749,550,752
  5. Step 5: Solve for x
    x = 72,826,848,749,550,752/384,912,200.40
  6. Step 6: Final answer
    x = 189,203,794.20

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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.