Home / 3,490,843,839.32-4,817,466,232.26-1,905,037,941.33

Finding the Fourth Proportional to 3,490,843,839.32, 4,817,466,232.26 and 1,905,037,941.33

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Solution

The fourth proportional to 3,490,843,839.32, 4,817,466,232.26 and 1,905,037,941.33 is: 2,629,007,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490,843,839.32 : 4,817,466,232.26 = 1,905,037,941.33 : x
  2. Step 2: Convert to fraction form
    3,490,843,839.32/4,817,466,232.26 = 1,905,037,941.33/x
  3. Step 3: Cross multiply
    3,490,843,839.32x = 4,817,466,232.26 × 1,905,037,941.33
  4. Step 4: Simplify right side
    3,490,843,839.32x = 9,177,455,953,524,524,032
  5. Step 5: Solve for x
    x = 9,177,455,953,524,524,032/3,490,843,839.32
  6. Step 6: Final answer
    x = 2,629,007,877.74

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Double scale
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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.