Home / 440,296,977.60-660,445,466.40-112,771,857.60

Finding the Fourth Proportional to 440,296,977.60, 660,445,466.40 and 112,771,857.60

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Solution

The fourth proportional to 440,296,977.60, 660,445,466.40 and 112,771,857.60 is: 169,157,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,296,977.60 : 660,445,466.40 = 112,771,857.60 : x
  2. Step 2: Convert to fraction form
    440,296,977.60/660,445,466.40 = 112,771,857.60/x
  3. Step 3: Cross multiply
    440,296,977.60x = 660,445,466.40 × 112,771,857.60
  4. Step 4: Simplify right side
    440,296,977.60x = 74,479,662,089,426,384
  5. Step 5: Solve for x
    x = 74,479,662,089,426,384/440,296,977.60
  6. Step 6: Final answer
    x = 169,157,786.40

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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.