Home / 444,705,106.92-613,335,211.09-390,944,820.62

Finding the Fourth Proportional to 444,705,106.92, 613,335,211.09 and 390,944,820.62

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Solution

The fourth proportional to 444,705,106.92, 613,335,211.09 and 390,944,820.62 is: 539,189,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,705,106.92 : 613,335,211.09 = 390,944,820.62 : x
  2. Step 2: Convert to fraction form
    444,705,106.92/613,335,211.09 = 390,944,820.62/x
  3. Step 3: Cross multiply
    444,705,106.92x = 613,335,211.09 × 390,944,820.62
  4. Step 4: Simplify right side
    444,705,106.92x = 239,780,224,079,509,888
  5. Step 5: Solve for x
    x = 239,780,224,079,509,888/444,705,106.92
  6. Step 6: Final answer
    x = 539,189,274.75

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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.