Home / 666,582,000.15-999,873,000.23-278,275,776.15

Finding the Fourth Proportional to 666,582,000.15, 999,873,000.23 and 278,275,776.15

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Solution

The fourth proportional to 666,582,000.15, 999,873,000.23 and 278,275,776.15 is: 417,413,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,582,000.15 : 999,873,000.23 = 278,275,776.15 : x
  2. Step 2: Convert to fraction form
    666,582,000.15/999,873,000.23 = 278,275,776.15/x
  3. Step 3: Cross multiply
    666,582,000.15x = 999,873,000.23 × 278,275,776.15
  4. Step 4: Simplify right side
    666,582,000.15x = 278,240,435,189,040,992
  5. Step 5: Solve for x
    x = 278,240,435,189,040,992/666,582,000.15
  6. Step 6: Final answer
    x = 417,413,664.23

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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.