Home / 718,922,659.05-1,078,530,507.86-325,260,399.15

Finding the Fourth Proportional to 718,922,659.05, 1,078,530,507.86 and 325,260,399.15

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Solution

The fourth proportional to 718,922,659.05, 1,078,530,507.86 and 325,260,399.15 is: 487,956,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,922,659.05 : 1,078,530,507.86 = 325,260,399.15 : x
  2. Step 2: Convert to fraction form
    718,922,659.05/1,078,530,507.86 = 325,260,399.15/x
  3. Step 3: Cross multiply
    718,922,659.05x = 1,078,530,507.86 × 325,260,399.15
  4. Step 4: Simplify right side
    718,922,659.05x = 350,803,263,480,369,472
  5. Step 5: Solve for x
    x = 350,803,263,480,369,472/718,922,659.05
  6. Step 6: Final answer
    x = 487,956,888.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.