Home / 622,084,828.20-932,679,344.70-349,539,138.60

Finding the Fourth Proportional to 622,084,828.20, 932,679,344.70 and 349,539,138.60

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Solution

The fourth proportional to 622,084,828.20, 932,679,344.70 and 349,539,138.60 is: 524,057,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,084,828.20 : 932,679,344.70 = 349,539,138.60 : x
  2. Step 2: Convert to fraction form
    622,084,828.20/932,679,344.70 = 349,539,138.60/x
  3. Step 3: Cross multiply
    622,084,828.20x = 932,679,344.70 × 349,539,138.60
  4. Step 4: Simplify right side
    622,084,828.20x = 326,007,934,736,450,496
  5. Step 5: Solve for x
    x = 326,007,934,736,450,496/622,084,828.20
  6. Step 6: Final answer
    x = 524,057,041.67

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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.