Home / 1,310,536,026.95-1,965,811,389.24-437,134,997.52

Finding the Fourth Proportional to 1,310,536,026.95, 1,965,811,389.24 and 437,134,997.52

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Solution

The fourth proportional to 1,310,536,026.95, 1,965,811,389.24 and 437,134,997.52 is: 655,704,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,026.95 : 1,965,811,389.24 = 437,134,997.52 : x
  2. Step 2: Convert to fraction form
    1,310,536,026.95/1,965,811,389.24 = 437,134,997.52/x
  3. Step 3: Cross multiply
    1,310,536,026.95x = 1,965,811,389.24 × 437,134,997.52
  4. Step 4: Simplify right side
    1,310,536,026.95x = 859,324,956,760,215,168
  5. Step 5: Solve for x
    x = 859,324,956,760,215,168/1,310,536,026.95
  6. Step 6: Final answer
    x = 655,704,947.51

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Double scale
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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.