Home / 13,055,574,743.03-18,016,754,158.17-7,417,099,992.84

Finding the Fourth Proportional to 13,055,574,743.03, 18,016,754,158.17 and 7,417,099,992.84

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Solution

The fourth proportional to 13,055,574,743.03, 18,016,754,158.17 and 7,417,099,992.84 is: 10,235,632,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,574,743.03 : 18,016,754,158.17 = 7,417,099,992.84 : x
  2. Step 2: Convert to fraction form
    13,055,574,743.03/18,016,754,158.17 = 7,417,099,992.84/x
  3. Step 3: Cross multiply
    13,055,574,743.03x = 18,016,754,158.17 × 7,417,099,992.84
  4. Step 4: Simplify right side
    13,055,574,743.03x = 133,632,067,137,562,738,688
  5. Step 5: Solve for x
    x = 133,632,067,137,562,738,688/13,055,574,743.03
  6. Step 6: Final answer
    x = 10,235,632,652.55

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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.