Home / 507,432,828.40-761,220,101.40-216,297,638.80

Finding the Fourth Proportional to 507,432,828.40, 761,220,101.40 and 216,297,638.80

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Solution

The fourth proportional to 507,432,828.40, 761,220,101.40 and 216,297,638.80 is: 324,476,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,432,828.40 : 761,220,101.40 = 216,297,638.80 : x
  2. Step 2: Convert to fraction form
    507,432,828.40/761,220,101.40 = 216,297,638.80/x
  3. Step 3: Cross multiply
    507,432,828.40x = 761,220,101.40 × 216,297,638.80
  4. Step 4: Simplify right side
    507,432,828.40x = 164,650,110,539,916,576
  5. Step 5: Solve for x
    x = 164,650,110,539,916,576/507,432,828.40
  6. Step 6: Final answer
    x = 324,476,662.38

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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.