Home / 5,215,698,072.90-7,823,925,022.95-3,140,952,408.90

Finding the Fourth Proportional to 5,215,698,072.90, 7,823,925,022.95 and 3,140,952,408.90

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Solution

The fourth proportional to 5,215,698,072.90, 7,823,925,022.95 and 3,140,952,408.90 is: 4,711,656,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,698,072.90 : 7,823,925,022.95 = 3,140,952,408.90 : x
  2. Step 2: Convert to fraction form
    5,215,698,072.90/7,823,925,022.95 = 3,140,952,408.90/x
  3. Step 3: Cross multiply
    5,215,698,072.90x = 7,823,925,022.95 × 3,140,952,408.90
  4. Step 4: Simplify right side
    5,215,698,072.90x = 24,574,576,147,887,792,128
  5. Step 5: Solve for x
    x = 24,574,576,147,887,792,128/5,215,698,072.90
  6. Step 6: Final answer
    x = 4,711,656,197.20

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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.