Home / 383,756,142.14-529,583,829.84-207,544,137.60

Finding the Fourth Proportional to 383,756,142.14, 529,583,829.84 and 207,544,137.60

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Solution

The fourth proportional to 383,756,142.14, 529,583,829.84 and 207,544,137.60 is: 286,411,101.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,756,142.14 : 529,583,829.84 = 207,544,137.60 : x
  2. Step 2: Convert to fraction form
    383,756,142.14/529,583,829.84 = 207,544,137.60/x
  3. Step 3: Cross multiply
    383,756,142.14x = 529,583,829.84 × 207,544,137.60
  4. Step 4: Simplify right side
    383,756,142.14x = 109,912,019,253,467,648
  5. Step 5: Solve for x
    x = 109,912,019,253,467,648/383,756,142.14
  6. Step 6: Final answer
    x = 286,411,101.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.