Home / 512,636,852.22-707,424,360.90-300,940,282.32

Finding the Fourth Proportional to 512,636,852.22, 707,424,360.90 and 300,940,282.32

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Solution

The fourth proportional to 512,636,852.22, 707,424,360.90 and 300,940,282.32 is: 415,289,080.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,636,852.22 : 707,424,360.90 = 300,940,282.32 : x
  2. Step 2: Convert to fraction form
    512,636,852.22/707,424,360.90 = 300,940,282.32/x
  3. Step 3: Cross multiply
    512,636,852.22x = 707,424,360.90 × 300,940,282.32
  4. Step 4: Simplify right side
    512,636,852.22x = 212,892,486,889,291,552
  5. Step 5: Solve for x
    x = 212,892,486,889,291,552/512,636,852.22
  6. Step 6: Final answer
    x = 415,289,080.31

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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.