Home / 1,431,388,005.60-2,147,082,008.40-1,064,055,986.40

Finding the Fourth Proportional to 1,431,388,005.60, 2,147,082,008.40 and 1,064,055,986.40

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Solution

The fourth proportional to 1,431,388,005.60, 2,147,082,008.40 and 1,064,055,986.40 is: 1,596,083,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,388,005.60 : 2,147,082,008.40 = 1,064,055,986.40 : x
  2. Step 2: Convert to fraction form
    1,431,388,005.60/2,147,082,008.40 = 1,064,055,986.40/x
  3. Step 3: Cross multiply
    1,431,388,005.60x = 2,147,082,008.40 × 1,064,055,986.40
  4. Step 4: Simplify right side
    1,431,388,005.60x = 2,284,615,464,329,755,136
  5. Step 5: Solve for x
    x = 2,284,615,464,329,755,136/1,431,388,005.60
  6. Step 6: Final answer
    x = 1,596,083,979.60

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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.