Home / 1,529,516,698.72-2,110,612,309.68-860,328,516.64

Finding the Fourth Proportional to 1,529,516,698.72, 2,110,612,309.68 and 860,328,516.64

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Solution

The fourth proportional to 1,529,516,698.72, 2,110,612,309.68 and 860,328,516.64 is: 1,187,185,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,516,698.72 : 2,110,612,309.68 = 860,328,516.64 : x
  2. Step 2: Convert to fraction form
    1,529,516,698.72/2,110,612,309.68 = 860,328,516.64/x
  3. Step 3: Cross multiply
    1,529,516,698.72x = 2,110,612,309.68 × 860,328,516.64
  4. Step 4: Simplify right side
    1,529,516,698.72x = 1,815,819,957,589,118,720
  5. Step 5: Solve for x
    x = 1,815,819,957,589,118,720/1,529,516,698.72
  6. Step 6: Final answer
    x = 1,187,185,441.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.