Home / 363,089,160.81-500,994,513.59-216,425,091.69

Finding the Fourth Proportional to 363,089,160.81, 500,994,513.59 and 216,425,091.69

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Solution

The fourth proportional to 363,089,160.81, 500,994,513.59 and 216,425,091.69 is: 298,625,779.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,089,160.81 : 500,994,513.59 = 216,425,091.69 : x
  2. Step 2: Convert to fraction form
    363,089,160.81/500,994,513.59 = 216,425,091.69/x
  3. Step 3: Cross multiply
    363,089,160.81x = 500,994,513.59 × 216,425,091.69
  4. Step 4: Simplify right side
    363,089,160.81x = 108,427,783,538,820,576
  5. Step 5: Solve for x
    x = 108,427,783,538,820,576/363,089,160.81
  6. Step 6: Final answer
    x = 298,625,779.13

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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.