Home / 383,896,140.72-529,840,022.76-235,299,919.20

Finding the Fourth Proportional to 383,896,140.72, 529,840,022.76 and 235,299,919.20

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Solution

The fourth proportional to 383,896,140.72, 529,840,022.76 and 235,299,919.20 is: 324,752,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,896,140.72 : 529,840,022.76 = 235,299,919.20 : x
  2. Step 2: Convert to fraction form
    383,896,140.72/529,840,022.76 = 235,299,919.20/x
  3. Step 3: Cross multiply
    383,896,140.72x = 529,840,022.76 × 235,299,919.20
  4. Step 4: Simplify right side
    383,896,140.72x = 124,671,314,544,354,160
  5. Step 5: Solve for x
    x = 124,671,314,544,354,160/383,896,140.72
  6. Step 6: Final answer
    x = 324,752,716.48

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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.