Home / 821,715,445.96-1,232,591,113.27-494,464,706.98

Finding the Fourth Proportional to 821,715,445.96, 1,232,591,113.27 and 494,464,706.98

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Solution

The fourth proportional to 821,715,445.96, 1,232,591,113.27 and 494,464,706.98 is: 741,707,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,715,445.96 : 1,232,591,113.27 = 494,464,706.98 : x
  2. Step 2: Convert to fraction form
    821,715,445.96/1,232,591,113.27 = 494,464,706.98/x
  3. Step 3: Cross multiply
    821,715,445.96x = 1,232,591,113.27 × 494,464,706.98
  4. Step 4: Simplify right side
    821,715,445.96x = 609,472,803,646,121,088
  5. Step 5: Solve for x
    x = 609,472,803,646,121,088/821,715,445.96
  6. Step 6: Final answer
    x = 741,707,858.41

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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.