Home / 13,606,007,561.54-18,776,290,278.93-7,347,758,345.54

Finding the Fourth Proportional to 13,606,007,561.54, 18,776,290,278.93 and 7,347,758,345.54

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Solution

The fourth proportional to 13,606,007,561.54, 18,776,290,278.93 and 7,347,758,345.54 is: 10,139,906,432.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,007,561.54 : 18,776,290,278.93 = 7,347,758,345.54 : x
  2. Step 2: Convert to fraction form
    13,606,007,561.54/18,776,290,278.93 = 7,347,758,345.54/x
  3. Step 3: Cross multiply
    13,606,007,561.54x = 18,776,290,278.93 × 7,347,758,345.54
  4. Step 4: Simplify right side
    13,606,007,561.54x = 137,963,643,595,289,477,120
  5. Step 5: Solve for x
    x = 137,963,643,595,289,477,120/13,606,007,561.54
  6. Step 6: Final answer
    x = 10,139,906,432.60

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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.