Home / 13,055,574,849.93-18,016,754,305.28-7,417,100,099.79

Finding the Fourth Proportional to 13,055,574,849.93, 18,016,754,305.28 and 7,417,100,099.79

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Solution

The fourth proportional to 13,055,574,849.93, 18,016,754,305.28 and 7,417,100,099.79 is: 10,235,632,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,574,849.93 : 18,016,754,305.28 = 7,417,100,099.79 : x
  2. Step 2: Convert to fraction form
    13,055,574,849.93/18,016,754,305.28 = 7,417,100,099.79/x
  3. Step 3: Cross multiply
    13,055,574,849.93x = 18,016,754,305.28 × 7,417,100,099.79
  4. Step 4: Simplify right side
    13,055,574,849.93x = 133,632,070,155,547,131,904
  5. Step 5: Solve for x
    x = 133,632,070,155,547,131,904/13,055,574,849.93
  6. Step 6: Final answer
    x = 10,235,632,799.90

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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.