Home / 383,617,139.20-575,047,795.20-189,558,505.60

Finding the Fourth Proportional to 383,617,139.20, 575,047,795.20 and 189,558,505.60

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Solution

The fourth proportional to 383,617,139.20, 575,047,795.20 and 189,558,505.60 is: 284,151,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,617,139.20 : 575,047,795.20 = 189,558,505.60 : x
  2. Step 2: Convert to fraction form
    383,617,139.20/575,047,795.20 = 189,558,505.60/x
  3. Step 3: Cross multiply
    383,617,139.20x = 575,047,795.20 × 189,558,505.60
  4. Step 4: Simplify right side
    383,617,139.20x = 109,005,200,706,686,864
  5. Step 5: Solve for x
    x = 109,005,200,706,686,864/383,617,139.20
  6. Step 6: Final answer
    x = 284,151,018.21

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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.