Home / 389,269,544.86-583,939,796.42-126,886,748.64

Finding the Fourth Proportional to 389,269,544.86, 583,939,796.42 and 126,886,748.64

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Solution

The fourth proportional to 389,269,544.86, 583,939,796.42 and 126,886,748.64 is: 190,341,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,269,544.86 : 583,939,796.42 = 126,886,748.64 : x
  2. Step 2: Convert to fraction form
    389,269,544.86/583,939,796.42 = 126,886,748.64/x
  3. Step 3: Cross multiply
    389,269,544.86x = 583,939,796.42 × 126,886,748.64
  4. Step 4: Simplify right side
    389,269,544.86x = 74,094,222,166,317,616
  5. Step 5: Solve for x
    x = 74,094,222,166,317,616/389,269,544.86
  6. Step 6: Final answer
    x = 190,341,687.77

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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.