Home / 928,203,362.37-1,280,957,187.87-510,554,509.29

Finding the Fourth Proportional to 928,203,362.37, 1,280,957,187.87 and 510,554,509.29

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Solution

The fourth proportional to 928,203,362.37, 1,280,957,187.87 and 510,554,509.29 is: 704,585,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,203,362.37 : 1,280,957,187.87 = 510,554,509.29 : x
  2. Step 2: Convert to fraction form
    928,203,362.37/1,280,957,187.87 = 510,554,509.29/x
  3. Step 3: Cross multiply
    928,203,362.37x = 1,280,957,187.87 × 510,554,509.29
  4. Step 4: Simplify right side
    928,203,362.37x = 653,998,468,474,466,176
  5. Step 5: Solve for x
    x = 653,998,468,474,466,176/928,203,362.37
  6. Step 6: Final answer
    x = 704,585,325.79

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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.