Home / 13,055,574,738.53-18,016,754,151.95-7,417,099,988.34

Finding the Fourth Proportional to 13,055,574,738.53, 18,016,754,151.95 and 7,417,099,988.34

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Solution

The fourth proportional to 13,055,574,738.53, 18,016,754,151.95 and 7,417,099,988.34 is: 10,235,632,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,574,738.53 : 18,016,754,151.95 = 7,417,099,988.34 : x
  2. Step 2: Convert to fraction form
    13,055,574,738.53/18,016,754,151.95 = 7,417,099,988.34/x
  3. Step 3: Cross multiply
    13,055,574,738.53x = 18,016,754,151.95 × 7,417,099,988.34
  4. Step 4: Simplify right side
    13,055,574,738.53x = 133,632,067,010,315,911,168
  5. Step 5: Solve for x
    x = 133,632,067,010,315,911,168/13,055,574,738.53
  6. Step 6: Final answer
    x = 10,235,632,646.34

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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.