Home / 498,745,851,071.76-748,043,187,220.17-135,739,803,877.88

Finding the Fourth Proportional to 498,745,851,071.76, 748,043,187,220.17 and 135,739,803,877.88

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Solution

The fourth proportional to 498,745,851,071.76, 748,043,187,220.17 and 135,739,803,877.88 is: 203,589,133,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,745,851,071.76 : 748,043,187,220.17 = 135,739,803,877.88 : x
  2. Step 2: Convert to fraction form
    498,745,851,071.76/748,043,187,220.17 = 135,739,803,877.88/x
  3. Step 3: Cross multiply
    498,745,851,071.76x = 748,043,187,220.17 × 135,739,803,877.88
  4. Step 4: Simplify right side
    498,745,851,071.76x = 101,539,235,525,450,159,620,096
  5. Step 5: Solve for x
    x = 101,539,235,525,450,159,620,096/498,745,851,071.76
  6. Step 6: Final answer
    x = 203,589,133,237.40

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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.