Home / 13,616,432,343.27-18,789,867,385.83-7,900,273,991.07

Finding the Fourth Proportional to 13,616,432,343.27, 18,789,867,385.83 and 7,900,273,991.07

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Solution

The fourth proportional to 13,616,432,343.27, 18,789,867,385.83 and 7,900,273,991.07 is: 10,901,908,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616,432,343.27 : 18,789,867,385.83 = 7,900,273,991.07 : x
  2. Step 2: Convert to fraction form
    13,616,432,343.27/18,789,867,385.83 = 7,900,273,991.07/x
  3. Step 3: Cross multiply
    13,616,432,343.27x = 18,789,867,385.83 × 7,900,273,991.07
  4. Step 4: Simplify right side
    13,616,432,343.27x = 148,445,100,603,927,199,744
  5. Step 5: Solve for x
    x = 148,445,100,603,927,199,744/13,616,432,343.27
  6. Step 6: Final answer
    x = 10,901,908,580.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.