Home / 13,442,563,407.60-20,163,845,111.40-7,243,835,583.60

Finding the Fourth Proportional to 13,442,563,407.60, 20,163,845,111.40 and 7,243,835,583.60

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Solution

The fourth proportional to 13,442,563,407.60, 20,163,845,111.40 and 7,243,835,583.60 is: 10,865,753,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,442,563,407.60 : 20,163,845,111.40 = 7,243,835,583.60 : x
  2. Step 2: Convert to fraction form
    13,442,563,407.60/20,163,845,111.40 = 7,243,835,583.60/x
  3. Step 3: Cross multiply
    13,442,563,407.60x = 20,163,845,111.40 × 7,243,835,583.60
  4. Step 4: Simplify right side
    13,442,563,407.60x = 146,063,578,720,158,236,672
  5. Step 5: Solve for x
    x = 146,063,578,720,158,236,672/13,442,563,407.60
  6. Step 6: Final answer
    x = 10,865,753,375.40

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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.