Home / 683,555,215.14-943,309,084.91-370,289,428.07

Finding the Fourth Proportional to 683,555,215.14, 943,309,084.91 and 370,289,428.07

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Solution

The fourth proportional to 683,555,215.14, 943,309,084.91 and 370,289,428.07 is: 511,000,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,555,215.14 : 943,309,084.91 = 370,289,428.07 : x
  2. Step 2: Convert to fraction form
    683,555,215.14/943,309,084.91 = 370,289,428.07/x
  3. Step 3: Cross multiply
    683,555,215.14x = 943,309,084.91 × 370,289,428.07
  4. Step 4: Simplify right side
    683,555,215.14x = 349,297,381,537,990,976
  5. Step 5: Solve for x
    x = 349,297,381,537,990,976/683,555,215.14
  6. Step 6: Final answer
    x = 511,000,975.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.