Home / 39,958,411,549.81-59,918,004,137.71-19,766,507,781.64

Finding the Fourth Proportional to 39,958,411,549.81, 59,918,004,137.71 and 19,766,507,781.64

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Solution

The fourth proportional to 39,958,411,549.81, 59,918,004,137.71 and 19,766,507,781.64 is: 29,640,059,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958,411,549.81 : 59,918,004,137.71 = 19,766,507,781.64 : x
  2. Step 2: Convert to fraction form
    39,958,411,549.81/59,918,004,137.71 = 19,766,507,781.64/x
  3. Step 3: Cross multiply
    39,958,411,549.81x = 59,918,004,137.71 × 19,766,507,781.64
  4. Step 4: Simplify right side
    39,958,411,549.81x = 1,184,369,695,048,382,283,776
  5. Step 5: Solve for x
    x = 1,184,369,695,048,382,283,776/39,958,411,549.81
  6. Step 6: Final answer
    x = 29,640,059,479.64

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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.