Home / 383,408,821.80-575,113,232.70-336,057,428.70

Finding the Fourth Proportional to 383,408,821.80, 575,113,232.70 and 336,057,428.70

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Solution

The fourth proportional to 383,408,821.80, 575,113,232.70 and 336,057,428.70 is: 504,086,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,408,821.80 : 575,113,232.70 = 336,057,428.70 : x
  2. Step 2: Convert to fraction form
    383,408,821.80/575,113,232.70 = 336,057,428.70/x
  3. Step 3: Cross multiply
    383,408,821.80x = 575,113,232.70 × 336,057,428.70
  4. Step 4: Simplify right side
    383,408,821.80x = 193,271,074,192,506,752
  5. Step 5: Solve for x
    x = 193,271,074,192,506,752/383,408,821.80
  6. Step 6: Final answer
    x = 504,086,143.05

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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.