Home / 384,739,770.80-577,109,656.20-112,119,431.60

Finding the Fourth Proportional to 384,739,770.80, 577,109,656.20 and 112,119,431.60

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Solution

The fourth proportional to 384,739,770.80, 577,109,656.20 and 112,119,431.60 is: 168,179,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,739,770.80 : 577,109,656.20 = 112,119,431.60 : x
  2. Step 2: Convert to fraction form
    384,739,770.80/577,109,656.20 = 112,119,431.60/x
  3. Step 3: Cross multiply
    384,739,770.80x = 577,109,656.20 × 112,119,431.60
  4. Step 4: Simplify right side
    384,739,770.80x = 64,705,206,624,015,416
  5. Step 5: Solve for x
    x = 64,705,206,624,015,416/384,739,770.80
  6. Step 6: Final answer
    x = 168,179,147.40

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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.