Home / 808,925,754.21-1,117,088,512.25-764,856,040.42

Finding the Fourth Proportional to 808,925,754.21, 1,117,088,512.25 and 764,856,040.42

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Solution

The fourth proportional to 808,925,754.21, 1,117,088,512.25 and 764,856,040.42 is: 1,056,230,305.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,925,754.21 : 1,117,088,512.25 = 764,856,040.42 : x
  2. Step 2: Convert to fraction form
    808,925,754.21/1,117,088,512.25 = 764,856,040.42/x
  3. Step 3: Cross multiply
    808,925,754.21x = 1,117,088,512.25 × 764,856,040.42
  4. Step 4: Simplify right side
    808,925,754.21x = 854,411,896,273,835,008
  5. Step 5: Solve for x
    x = 854,411,896,273,835,008/808,925,754.21
  6. Step 6: Final answer
    x = 1,056,230,305.23

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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.