Home / 322,569,611.40-483,854,417.10-289,313,214.60

Finding the Fourth Proportional to 322,569,611.40, 483,854,417.10 and 289,313,214.60

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Solution

The fourth proportional to 322,569,611.40, 483,854,417.10 and 289,313,214.60 is: 433,969,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,569,611.40 : 483,854,417.10 = 289,313,214.60 : x
  2. Step 2: Convert to fraction form
    322,569,611.40/483,854,417.10 = 289,313,214.60/x
  3. Step 3: Cross multiply
    322,569,611.40x = 483,854,417.10 × 289,313,214.60
  4. Step 4: Simplify right side
    322,569,611.40x = 139,985,476,809,610,224
  5. Step 5: Solve for x
    x = 139,985,476,809,610,224/322,569,611.40
  6. Step 6: Final answer
    x = 433,969,821.90

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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.