Home / 1,630,272,567.20-2,445,408,850.80-539,755,635.20

Finding the Fourth Proportional to 1,630,272,567.20, 2,445,408,850.80 and 539,755,635.20

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Solution

The fourth proportional to 1,630,272,567.20, 2,445,408,850.80 and 539,755,635.20 is: 809,633,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,272,567.20 : 2,445,408,850.80 = 539,755,635.20 : x
  2. Step 2: Convert to fraction form
    1,630,272,567.20/2,445,408,850.80 = 539,755,635.20/x
  3. Step 3: Cross multiply
    1,630,272,567.20x = 2,445,408,850.80 × 539,755,635.20
  4. Step 4: Simplify right side
    1,630,272,567.20x = 1,319,923,207,587,256,320
  5. Step 5: Solve for x
    x = 1,319,923,207,587,256,320/1,630,272,567.20
  6. Step 6: Final answer
    x = 809,633,452.80

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Half scale
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Double scale
Find fourth proportional to 1,630,272,568.20, 2,445,408,852.30 and 539,755,636.20
Similar ratio
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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.