Home / 2,127,472,103.52-3,188,669,252.22-990,178,416.24

Finding the Fourth Proportional to 2,127,472,103.52, 3,188,669,252.22 and 990,178,416.24

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Solution

The fourth proportional to 2,127,472,103.52, 3,188,669,252.22 and 990,178,416.24 is: 1,484,085,955.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,472,103.52 : 3,188,669,252.22 = 990,178,416.24 : x
  2. Step 2: Convert to fraction form
    2,127,472,103.52/3,188,669,252.22 = 990,178,416.24/x
  3. Step 3: Cross multiply
    2,127,472,103.52x = 3,188,669,252.22 × 990,178,416.24
  4. Step 4: Simplify right side
    2,127,472,103.52x = 3,157,351,470,076,384,768
  5. Step 5: Solve for x
    x = 3,157,351,470,076,384,768/2,127,472,103.52
  6. Step 6: Final answer
    x = 1,484,085,955.75

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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.