Home / 13,270,119,636.26-18,312,764,397.71-7,166,471,607.60

Finding the Fourth Proportional to 13,270,119,636.26, 18,312,764,397.71 and 7,166,471,607.60

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Solution

The fourth proportional to 13,270,119,636.26, 18,312,764,397.71 and 7,166,471,607.60 is: 9,889,730,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,119,636.26 : 18,312,764,397.71 = 7,166,471,607.60 : x
  2. Step 2: Convert to fraction form
    13,270,119,636.26/18,312,764,397.71 = 7,166,471,607.60/x
  3. Step 3: Cross multiply
    13,270,119,636.26x = 18,312,764,397.71 × 7,166,471,607.60
  4. Step 4: Simplify right side
    13,270,119,636.26x = 131,237,906,112,814,252,032
  5. Step 5: Solve for x
    x = 131,237,906,112,814,252,032/13,270,119,636.26
  6. Step 6: Final answer
    x = 9,889,730,440.27

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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.