Home / 317,658,028.37-438,420,066.09-264,650,681.14

Finding the Fourth Proportional to 317,658,028.37, 438,420,066.09 and 264,650,681.14

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Solution

The fourth proportional to 317,658,028.37, 438,420,066.09 and 264,650,681.14 is: 365,261,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,658,028.37 : 438,420,066.09 = 264,650,681.14 : x
  2. Step 2: Convert to fraction form
    317,658,028.37/438,420,066.09 = 264,650,681.14/x
  3. Step 3: Cross multiply
    317,658,028.37x = 438,420,066.09 × 264,650,681.14
  4. Step 4: Simplify right side
    317,658,028.37x = 116,028,169,114,839,056
  5. Step 5: Solve for x
    x = 116,028,169,114,839,056/317,658,028.37
  6. Step 6: Final answer
    x = 365,261,251.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.