Home / 293,419,904.40-440,129,856.60-157,371,008.40

Finding the Fourth Proportional to 293,419,904.40, 440,129,856.60 and 157,371,008.40

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Solution

The fourth proportional to 293,419,904.40, 440,129,856.60 and 157,371,008.40 is: 236,056,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,904.40 : 440,129,856.60 = 157,371,008.40 : x
  2. Step 2: Convert to fraction form
    293,419,904.40/440,129,856.60 = 157,371,008.40/x
  3. Step 3: Cross multiply
    293,419,904.40x = 440,129,856.60 × 157,371,008.40
  4. Step 4: Simplify right side
    293,419,904.40x = 69,263,679,360,089,400
  5. Step 5: Solve for x
    x = 69,263,679,360,089,400/293,419,904.40
  6. Step 6: Final answer
    x = 236,056,512.60

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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.