Home / 7,820,079,974.40-11,743,724,851.20-4,146,759,782.40

Finding the Fourth Proportional to 7,820,079,974.40, 11,743,724,851.20 and 4,146,759,782.40

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Solution

The fourth proportional to 7,820,079,974.40, 11,743,724,851.20 and 4,146,759,782.40 is: 6,227,353,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,079,974.40 : 11,743,724,851.20 = 4,146,759,782.40 : x
  2. Step 2: Convert to fraction form
    7,820,079,974.40/11,743,724,851.20 = 4,146,759,782.40/x
  3. Step 3: Cross multiply
    7,820,079,974.40x = 11,743,724,851.20 × 4,146,759,782.40
  4. Step 4: Simplify right side
    7,820,079,974.40x = 48,698,405,908,527,587,328
  5. Step 5: Solve for x
    x = 48,698,405,908,527,587,328/7,820,079,974.40
  6. Step 6: Final answer
    x = 6,227,353,948.80

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1.5x scale

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.