Home / 39,958,411,548.81-59,918,004,136.21-19,766,507,780.64

Finding the Fourth Proportional to 39,958,411,548.81, 59,918,004,136.21 and 19,766,507,780.64

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Solution

The fourth proportional to 39,958,411,548.81, 59,918,004,136.21 and 19,766,507,780.64 is: 29,640,059,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,411,548.81 : 59,918,004,136.21 = 19,766,507,780.64 : x
  2. Step 2: Convert to fraction form
    39,958,411,548.81/59,918,004,136.21 = 19,766,507,780.64/x
  3. Step 3: Cross multiply
    39,958,411,548.81x = 59,918,004,136.21 × 19,766,507,780.64
  4. Step 4: Simplify right side
    39,958,411,548.81x = 1,184,369,694,958,814,494,720
  5. Step 5: Solve for x
    x = 1,184,369,694,958,814,494,720/39,958,411,548.81
  6. Step 6: Final answer
    x = 29,640,059,478.14

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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.