Home / 526,584,990.48-726,689,714.42-291,630,725.34

Finding the Fourth Proportional to 526,584,990.48, 726,689,714.42 and 291,630,725.34

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Solution

The fourth proportional to 526,584,990.48, 726,689,714.42 and 291,630,725.34 is: 402,451,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,584,990.48 : 726,689,714.42 = 291,630,725.34 : x
  2. Step 2: Convert to fraction form
    526,584,990.48/726,689,714.42 = 291,630,725.34/x
  3. Step 3: Cross multiply
    526,584,990.48x = 726,689,714.42 × 291,630,725.34
  4. Step 4: Simplify right side
    526,584,990.48x = 211,925,048,514,151,104
  5. Step 5: Solve for x
    x = 211,925,048,514,151,104/526,584,990.48
  6. Step 6: Final answer
    x = 402,451,745.39

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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.