Home / 1,388,016,024.40-2,082,024,036.60-1,326,794,021.20

Finding the Fourth Proportional to 1,388,016,024.40, 2,082,024,036.60 and 1,326,794,021.20

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Solution

The fourth proportional to 1,388,016,024.40, 2,082,024,036.60 and 1,326,794,021.20 is: 1,990,191,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,016,024.40 : 2,082,024,036.60 = 1,326,794,021.20 : x
  2. Step 2: Convert to fraction form
    1,388,016,024.40/2,082,024,036.60 = 1,326,794,021.20/x
  3. Step 3: Cross multiply
    1,388,016,024.40x = 2,082,024,036.60 × 1,326,794,021.20
  4. Step 4: Simplify right side
    1,388,016,024.40x = 2,762,417,043,755,570,176
  5. Step 5: Solve for x
    x = 2,762,417,043,755,570,176/1,388,016,024.40
  6. Step 6: Final answer
    x = 1,990,191,031.80

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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.