Home / 322,569,612.40-483,854,418.60-289,313,215.60

Finding the Fourth Proportional to 322,569,612.40, 483,854,418.60 and 289,313,215.60

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Solution

The fourth proportional to 322,569,612.40, 483,854,418.60 and 289,313,215.60 is: 433,969,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,612.40 : 483,854,418.60 = 289,313,215.60 : x
  2. Step 2: Convert to fraction form
    322,569,612.40/483,854,418.60 = 289,313,215.60/x
  3. Step 3: Cross multiply
    322,569,612.40x = 483,854,418.60 × 289,313,215.60
  4. Step 4: Simplify right side
    322,569,612.40x = 139,985,477,727,434,464
  5. Step 5: Solve for x
    x = 139,985,477,727,434,464/322,569,612.40
  6. Step 6: Final answer
    x = 433,969,823.40

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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.