Home / 859,025,313.01-1,288,529,736.32-509,019,435.29

Finding the Fourth Proportional to 859,025,313.01, 1,288,529,736.32 and 509,019,435.29

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Solution

The fourth proportional to 859,025,313.01, 1,288,529,736.32 and 509,019,435.29 is: 763,524,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,025,313.01 : 1,288,529,736.32 = 509,019,435.29 : x
  2. Step 2: Convert to fraction form
    859,025,313.01/1,288,529,736.32 = 509,019,435.29/x
  3. Step 3: Cross multiply
    859,025,313.01x = 1,288,529,736.32 × 509,019,435.29
  4. Step 4: Simplify right side
    859,025,313.01x = 655,886,678,740,472,832
  5. Step 5: Solve for x
    x = 655,886,678,740,472,832/859,025,313.01
  6. Step 6: Final answer
    x = 763,524,274.32

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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.