Home / 13,270,119,639.07-18,312,764,401.56-7,166,471,610.41

Finding the Fourth Proportional to 13,270,119,639.07, 18,312,764,401.56 and 7,166,471,610.41

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Solution

The fourth proportional to 13,270,119,639.07, 18,312,764,401.56 and 7,166,471,610.41 is: 9,889,730,444.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,119,639.07 : 18,312,764,401.56 = 7,166,471,610.41 : x
  2. Step 2: Convert to fraction form
    13,270,119,639.07/18,312,764,401.56 = 7,166,471,610.41/x
  3. Step 3: Cross multiply
    13,270,119,639.07x = 18,312,764,401.56 × 7,166,471,610.41
  4. Step 4: Simplify right side
    13,270,119,639.07x = 131,237,906,191,854,862,336
  5. Step 5: Solve for x
    x = 131,237,906,191,854,862,336/13,270,119,639.07
  6. Step 6: Final answer
    x = 9,889,730,444.14

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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.