Home / 1,388,016,045.40-2,082,024,068.10-1,326,794,042.20

Finding the Fourth Proportional to 1,388,016,045.40, 2,082,024,068.10 and 1,326,794,042.20

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Solution

The fourth proportional to 1,388,016,045.40, 2,082,024,068.10 and 1,326,794,042.20 is: 1,990,191,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,016,045.40 : 2,082,024,068.10 = 1,326,794,042.20 : x
  2. Step 2: Convert to fraction form
    1,388,016,045.40/2,082,024,068.10 = 1,326,794,042.20/x
  3. Step 3: Cross multiply
    1,388,016,045.40x = 2,082,024,068.10 × 1,326,794,042.20
  4. Step 4: Simplify right side
    1,388,016,045.40x = 2,762,417,129,272,087,040
  5. Step 5: Solve for x
    x = 2,762,417,129,272,087,040/1,388,016,045.40
  6. Step 6: Final answer
    x = 1,990,191,063.30

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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.