Home / 8,627,619,722.40-12,941,429,583.60-4,443,478,441.20

Finding the Fourth Proportional to 8,627,619,722.40, 12,941,429,583.60 and 4,443,478,441.20

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Solution

The fourth proportional to 8,627,619,722.40, 12,941,429,583.60 and 4,443,478,441.20 is: 6,665,217,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627,619,722.40 : 12,941,429,583.60 = 4,443,478,441.20 : x
  2. Step 2: Convert to fraction form
    8,627,619,722.40/12,941,429,583.60 = 4,443,478,441.20/x
  3. Step 3: Cross multiply
    8,627,619,722.40x = 12,941,429,583.60 × 4,443,478,441.20
  4. Step 4: Simplify right side
    8,627,619,722.40x = 57,504,963,353,034,489,856
  5. Step 5: Solve for x
    x = 57,504,963,353,034,489,856/8,627,619,722.40
  6. Step 6: Final answer
    x = 6,665,217,661.80

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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.