Home / 298,938,215.81-412,534,994.66-166,779,232.83

Finding the Fourth Proportional to 298,938,215.81, 412,534,994.66 and 166,779,232.83

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Solution

The fourth proportional to 298,938,215.81, 412,534,994.66 and 166,779,232.83 is: 230,155,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,938,215.81 : 412,534,994.66 = 166,779,232.83 : x
  2. Step 2: Convert to fraction form
    298,938,215.81/412,534,994.66 = 166,779,232.83/x
  3. Step 3: Cross multiply
    298,938,215.81x = 412,534,994.66 × 166,779,232.83
  4. Step 4: Simplify right side
    298,938,215.81x = 68,802,269,924,089,048
  5. Step 5: Solve for x
    x = 68,802,269,924,089,048/298,938,215.81
  6. Step 6: Final answer
    x = 230,155,484.60

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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.