Home / 5,120,319,787,360.80-7,680,931,195,923.60-1,444,629,313,289.40

Finding the Fourth Proportional to 5,120,319,787,360.80, 7,680,931,195,923.60 and 1,444,629,313,289.40

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Solution

The fourth proportional to 5,120,319,787,360.80, 7,680,931,195,923.60 and 1,444,629,313,289.40 is: 2,167,071,358,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,319,787,360.80 : 7,680,931,195,923.60 = 1,444,629,313,289.40 : x
  2. Step 2: Convert to fraction form
    5,120,319,787,360.80/7,680,931,195,923.60 = 1,444,629,313,289.40/x
  3. Step 3: Cross multiply
    5,120,319,787,360.80x = 7,680,931,195,923.60 × 1,444,629,313,289.40
  4. Step 4: Simplify right side
    5,120,319,787,360.80x = 11,096,098,358,990,239,457,869,824
  5. Step 5: Solve for x
    x = 11,096,098,358,990,239,457,869,824/5,120,319,787,360.80
  6. Step 6: Final answer
    x = 2,167,071,358,781.20

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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.