Home / 1,217,065,522.38-1,824,993,768.78-387,911,274.18

Finding the Fourth Proportional to 1,217,065,522.38, 1,824,993,768.78 and 387,911,274.18

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Solution

The fourth proportional to 1,217,065,522.38, 1,824,993,768.78 and 387,911,274.18 is: 581,674,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,065,522.38 : 1,824,993,768.78 = 387,911,274.18 : x
  2. Step 2: Convert to fraction form
    1,217,065,522.38/1,824,993,768.78 = 387,911,274.18/x
  3. Step 3: Cross multiply
    1,217,065,522.38x = 1,824,993,768.78 × 387,911,274.18
  4. Step 4: Simplify right side
    1,217,065,522.38x = 707,935,658,218,010,112
  5. Step 5: Solve for x
    x = 707,935,658,218,010,112/1,217,065,522.38
  6. Step 6: Final answer
    x = 581,674,236.27

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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.