Home / 3,818,315,515.78-5,269,734,128.29-2,312,897,695.77

Finding the Fourth Proportional to 3,818,315,515.78, 5,269,734,128.29 and 2,312,897,695.77

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Solution

The fourth proportional to 3,818,315,515.78, 5,269,734,128.29 and 2,312,897,695.77 is: 3,192,076,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,315,515.78 : 5,269,734,128.29 = 2,312,897,695.77 : x
  2. Step 2: Convert to fraction form
    3,818,315,515.78/5,269,734,128.29 = 2,312,897,695.77/x
  3. Step 3: Cross multiply
    3,818,315,515.78x = 5,269,734,128.29 × 2,312,897,695.77
  4. Step 4: Simplify right side
    3,818,315,515.78x = 12,188,355,922,642,470,912
  5. Step 5: Solve for x
    x = 12,188,355,922,642,470,912/3,818,315,515.78
  6. Step 6: Final answer
    x = 3,192,076,682.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.