Home / 1,077,630,147.90-1,616,445,221.85-465,410,115.90

Finding the Fourth Proportional to 1,077,630,147.90, 1,616,445,221.85 and 465,410,115.90

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Solution

The fourth proportional to 1,077,630,147.90, 1,616,445,221.85 and 465,410,115.90 is: 698,115,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,630,147.90 : 1,616,445,221.85 = 465,410,115.90 : x
  2. Step 2: Convert to fraction form
    1,077,630,147.90/1,616,445,221.85 = 465,410,115.90/x
  3. Step 3: Cross multiply
    1,077,630,147.90x = 1,616,445,221.85 × 465,410,115.90
  4. Step 4: Simplify right side
    1,077,630,147.90x = 752,309,958,047,209,600
  5. Step 5: Solve for x
    x = 752,309,958,047,209,600/1,077,630,147.90
  6. Step 6: Final answer
    x = 698,115,173.85

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1.5x scale

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.