Home / 507,432,829.90-761,220,103.65-216,297,640.30

Finding the Fourth Proportional to 507,432,829.90, 761,220,103.65 and 216,297,640.30

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Solution

The fourth proportional to 507,432,829.90, 761,220,103.65 and 216,297,640.30 is: 324,476,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,432,829.90 : 761,220,103.65 = 216,297,640.30 : x
  2. Step 2: Convert to fraction form
    507,432,829.90/761,220,103.65 = 216,297,640.30/x
  3. Step 3: Cross multiply
    507,432,829.90x = 761,220,103.65 × 216,297,640.30
  4. Step 4: Simplify right side
    507,432,829.90x = 164,650,112,168,416,416
  5. Step 5: Solve for x
    x = 164,650,112,168,416,416/507,432,829.90
  6. Step 6: Final answer
    x = 324,476,664.63

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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.