Home / 446,012,581.60-669,018,872.40-331,221,325.60

Finding the Fourth Proportional to 446,012,581.60, 669,018,872.40 and 331,221,325.60

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Solution

The fourth proportional to 446,012,581.60, 669,018,872.40 and 331,221,325.60 is: 496,831,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,012,581.60 : 669,018,872.40 = 331,221,325.60 : x
  2. Step 2: Convert to fraction form
    446,012,581.60/669,018,872.40 = 331,221,325.60/x
  3. Step 3: Cross multiply
    446,012,581.60x = 669,018,872.40 × 331,221,325.60
  4. Step 4: Simplify right side
    446,012,581.60x = 221,593,317,767,745,248
  5. Step 5: Solve for x
    x = 221,593,317,767,745,248/446,012,581.60
  6. Step 6: Final answer
    x = 496,831,988.40

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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.