Home / 1,127,352,401.30-1,690,622,889.15-390,222,023.06

Finding the Fourth Proportional to 1,127,352,401.30, 1,690,622,889.15 and 390,222,023.06

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Solution

The fourth proportional to 1,127,352,401.30, 1,690,622,889.15 and 390,222,023.06 is: 585,192,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,352,401.30 : 1,690,622,889.15 = 390,222,023.06 : x
  2. Step 2: Convert to fraction form
    1,127,352,401.30/1,690,622,889.15 = 390,222,023.06/x
  3. Step 3: Cross multiply
    1,127,352,401.30x = 1,690,622,889.15 × 390,222,023.06
  4. Step 4: Simplify right side
    1,127,352,401.30x = 659,718,284,035,655,168
  5. Step 5: Solve for x
    x = 659,718,284,035,655,168/1,127,352,401.30
  6. Step 6: Final answer
    x = 585,192,601.07

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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.