Home / 5,297,518,506.12-7,946,013,615.18-1,981,089,258.12

Finding the Fourth Proportional to 5,297,518,506.12, 7,946,013,615.18 and 1,981,089,258.12

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Solution

The fourth proportional to 5,297,518,506.12, 7,946,013,615.18 and 1,981,089,258.12 is: 2,971,535,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297,518,506.12 : 7,946,013,615.18 = 1,981,089,258.12 : x
  2. Step 2: Convert to fraction form
    5,297,518,506.12/7,946,013,615.18 = 1,981,089,258.12/x
  3. Step 3: Cross multiply
    5,297,518,506.12x = 7,946,013,615.18 × 1,981,089,258.12
  4. Step 4: Simplify right side
    5,297,518,506.12x = 15,741,762,217,908,365,312
  5. Step 5: Solve for x
    x = 15,741,762,217,908,365,312/5,297,518,506.12
  6. Step 6: Final answer
    x = 2,971,535,106.43

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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.