Home / 814,286,938.99-1,220,872,796.01-414,671,968.56

Finding the Fourth Proportional to 814,286,938.99, 1,220,872,796.01 and 414,671,968.56

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Solution

The fourth proportional to 814,286,938.99, 1,220,872,796.01 and 414,671,968.56 is: 621,723,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,286,938.99 : 1,220,872,796.01 = 414,671,968.56 : x
  2. Step 2: Convert to fraction form
    814,286,938.99/1,220,872,796.01 = 414,671,968.56/x
  3. Step 3: Cross multiply
    814,286,938.99x = 1,220,872,796.01 × 414,671,968.56
  4. Step 4: Simplify right side
    814,286,938.99x = 506,261,725,682,817,984
  5. Step 5: Solve for x
    x = 506,261,725,682,817,984/814,286,938.99
  6. Step 6: Final answer
    x = 621,723,991.19

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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.