Home / 14,069,323,821.20-19,416,004,199.81-7,639,414,809.59

Finding the Fourth Proportional to 14,069,323,821.20, 19,416,004,199.81 and 7,639,414,809.59

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Solution

The fourth proportional to 14,069,323,821.20, 19,416,004,199.81 and 7,639,414,809.59 is: 10,542,575,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069,323,821.20 : 19,416,004,199.81 = 7,639,414,809.59 : x
  2. Step 2: Convert to fraction form
    14,069,323,821.20/19,416,004,199.81 = 7,639,414,809.59/x
  3. Step 3: Cross multiply
    14,069,323,821.20x = 19,416,004,199.81 × 7,639,414,809.59
  4. Step 4: Simplify right side
    14,069,323,821.20x = 148,326,910,027,153,965,056
  5. Step 5: Solve for x
    x = 148,326,910,027,153,965,056/14,069,323,821.20
  6. Step 6: Final answer
    x = 10,542,575,600.09

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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.