Home / 318,460,301,517.45-477,692,238,167.10-106,223,851,371.30

Finding the Fourth Proportional to 318,460,301,517.45, 477,692,238,167.10 and 106,223,851,371.30

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Solution

The fourth proportional to 318,460,301,517.45, 477,692,238,167.10 and 106,223,851,371.30 is: 159,336,372,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,460,301,517.45 : 477,692,238,167.10 = 106,223,851,371.30 : x
  2. Step 2: Convert to fraction form
    318,460,301,517.45/477,692,238,167.10 = 106,223,851,371.30/x
  3. Step 3: Cross multiply
    318,460,301,517.45x = 477,692,238,167.10 × 106,223,851,371.30
  4. Step 4: Simplify right side
    318,460,301,517.45x = 50,742,309,308,285,669,343,232
  5. Step 5: Solve for x
    x = 50,742,309,308,285,669,343,232/318,460,301,517.45
  6. Step 6: Final answer
    x = 159,336,372,748.82

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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.