Home / 384,912,961.20-577,369,441.80-180,461,703.60

Finding the Fourth Proportional to 384,912,961.20, 577,369,441.80 and 180,461,703.60

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Solution

The fourth proportional to 384,912,961.20, 577,369,441.80 and 180,461,703.60 is: 270,692,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,961.20 : 577,369,441.80 = 180,461,703.60 : x
  2. Step 2: Convert to fraction form
    384,912,961.20/577,369,441.80 = 180,461,703.60/x
  3. Step 3: Cross multiply
    384,912,961.20x = 577,369,441.80 × 180,461,703.60
  4. Step 4: Simplify right side
    384,912,961.20x = 104,193,073,073,809,040
  5. Step 5: Solve for x
    x = 104,193,073,073,809,040/384,912,961.20
  6. Step 6: Final answer
    x = 270,692,555.40

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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.