Home / 1,138,965,081.66-1,708,275,002.16-309,983,323.37

Finding the Fourth Proportional to 1,138,965,081.66, 1,708,275,002.16 and 309,983,323.37

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Solution

The fourth proportional to 1,138,965,081.66, 1,708,275,002.16 and 309,983,323.37 is: 464,928,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,965,081.66 : 1,708,275,002.16 = 309,983,323.37 : x
  2. Step 2: Convert to fraction form
    1,138,965,081.66/1,708,275,002.16 = 309,983,323.37/x
  3. Step 3: Cross multiply
    1,138,965,081.66x = 1,708,275,002.16 × 309,983,323.37
  4. Step 4: Simplify right side
    1,138,965,081.66x = 529,536,762,390,909,376
  5. Step 5: Solve for x
    x = 529,536,762,390,909,376/1,138,965,081.66
  6. Step 6: Final answer
    x = 464,928,004.31

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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.