Home / 666,549,107.68-999,826,983.08-273,290,739.16

Finding the Fourth Proportional to 666,549,107.68, 999,826,983.08 and 273,290,739.16

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Solution

The fourth proportional to 666,549,107.68, 999,826,983.08 and 273,290,739.16 is: 409,937,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,549,107.68 : 999,826,983.08 = 273,290,739.16 : x
  2. Step 2: Convert to fraction form
    666,549,107.68/999,826,983.08 = 273,290,739.16/x
  3. Step 3: Cross multiply
    666,549,107.68x = 999,826,983.08 × 273,290,739.16
  4. Step 4: Simplify right side
    666,549,107.68x = 273,243,455,238,046,048
  5. Step 5: Solve for x
    x = 273,243,455,238,046,048/666,549,107.68
  6. Step 6: Final answer
    x = 409,937,470.61

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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.