Home / 859,025,315.02-1,288,529,739.32-509,019,437.30

Finding the Fourth Proportional to 859,025,315.02, 1,288,529,739.32 and 509,019,437.30

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Solution

The fourth proportional to 859,025,315.02, 1,288,529,739.32 and 509,019,437.30 is: 763,524,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,025,315.02 : 1,288,529,739.32 = 509,019,437.30 : x
  2. Step 2: Convert to fraction form
    859,025,315.02/1,288,529,739.32 = 509,019,437.30/x
  3. Step 3: Cross multiply
    859,025,315.02x = 1,288,529,739.32 × 509,019,437.30
  4. Step 4: Simplify right side
    859,025,315.02x = 655,886,682,852,982,016
  5. Step 5: Solve for x
    x = 655,886,682,852,982,016/859,025,315.02
  6. Step 6: Final answer
    x = 763,524,277.32

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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.