Home / 51,085,438,564.80-76,628,157,847.20-30,188,328,139.20

Finding the Fourth Proportional to 51,085,438,564.80, 76,628,157,847.20 and 30,188,328,139.20

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Solution

The fourth proportional to 51,085,438,564.80, 76,628,157,847.20 and 30,188,328,139.20 is: 45,282,492,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085,438,564.80 : 76,628,157,847.20 = 30,188,328,139.20 : x
  2. Step 2: Convert to fraction form
    51,085,438,564.80/76,628,157,847.20 = 30,188,328,139.20/x
  3. Step 3: Cross multiply
    51,085,438,564.80x = 76,628,157,847.20 × 30,188,328,139.20
  4. Step 4: Simplify right side
    51,085,438,564.80x = 2,313,275,973,793,687,011,328
  5. Step 5: Solve for x
    x = 2,313,275,973,793,687,011,328/51,085,438,564.80
  6. Step 6: Final answer
    x = 45,282,492,208.80

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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.