Home / 170,783,997,738.55-256,124,420,258.78-51,369,622,219.74

Finding the Fourth Proportional to 170,783,997,738.55, 256,124,420,258.78 and 51,369,622,219.74

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Solution

The fourth proportional to 170,783,997,738.55, 256,124,420,258.78 and 51,369,622,219.74 is: 77,038,919,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,783,997,738.55 : 256,124,420,258.78 = 51,369,622,219.74 : x
  2. Step 2: Convert to fraction form
    170,783,997,738.55/256,124,420,258.78 = 51,369,622,219.74/x
  3. Step 3: Cross multiply
    170,783,997,738.55x = 256,124,420,258.78 × 51,369,622,219.74
  4. Step 4: Simplify right side
    170,783,997,738.55x = 13,157,014,709,943,450,730,496
  5. Step 5: Solve for x
    x = 13,157,014,709,943,450,730,496/170,783,997,738.55
  6. Step 6: Final answer
    x = 77,038,919,829.51

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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.