Home / 13,458,260,023.43-20,190,880,434.69-7,157,508,107.81

Finding the Fourth Proportional to 13,458,260,023.43, 20,190,880,434.69 and 7,157,508,107.81

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Solution

The fourth proportional to 13,458,260,023.43, 20,190,880,434.69 and 7,157,508,107.81 is: 10,738,118,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458,260,023.43 : 20,190,880,434.69 = 7,157,508,107.81 : x
  2. Step 2: Convert to fraction form
    13,458,260,023.43/20,190,880,434.69 = 7,157,508,107.81/x
  3. Step 3: Cross multiply
    13,458,260,023.43x = 20,190,880,434.69 × 7,157,508,107.81
  4. Step 4: Simplify right side
    13,458,260,023.43x = 144,516,390,415,115,976,704
  5. Step 5: Solve for x
    x = 144,516,390,415,115,976,704/13,458,260,023.43
  6. Step 6: Final answer
    x = 10,738,118,461.34

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1.5x scale

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.