Home / 512,664,187.64-707,478,746.78-277,714,848.12

Finding the Fourth Proportional to 512,664,187.64, 707,478,746.78 and 277,714,848.12

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Solution

The fourth proportional to 512,664,187.64, 707,478,746.78 and 277,714,848.12 is: 383,247,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,664,187.64 : 707,478,746.78 = 277,714,848.12 : x
  2. Step 2: Convert to fraction form
    512,664,187.64/707,478,746.78 = 277,714,848.12/x
  3. Step 3: Cross multiply
    512,664,187.64x = 707,478,746.78 × 277,714,848.12
  4. Step 4: Simplify right side
    512,664,187.64x = 196,477,352,710,135,648
  5. Step 5: Solve for x
    x = 196,477,352,710,135,648/512,664,187.64
  6. Step 6: Final answer
    x = 383,247,664.74

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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.