Home / 1,047,723,954.80-1,571,585,932.20-357,653,721.20

Finding the Fourth Proportional to 1,047,723,954.80, 1,571,585,932.20 and 357,653,721.20

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Solution

The fourth proportional to 1,047,723,954.80, 1,571,585,932.20 and 357,653,721.20 is: 536,480,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,723,954.80 : 1,571,585,932.20 = 357,653,721.20 : x
  2. Step 2: Convert to fraction form
    1,047,723,954.80/1,571,585,932.20 = 357,653,721.20/x
  3. Step 3: Cross multiply
    1,047,723,954.80x = 1,571,585,932.20 × 357,653,721.20
  4. Step 4: Simplify right side
    1,047,723,954.80x = 562,083,556,836,900,928
  5. Step 5: Solve for x
    x = 562,083,556,836,900,928/1,047,723,954.80
  6. Step 6: Final answer
    x = 536,480,581.80

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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.