Home / 887,373,664.88-1,224,611,714.32-490,889,818.69

Finding the Fourth Proportional to 887,373,664.88, 1,224,611,714.32 and 490,889,818.69

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Solution

The fourth proportional to 887,373,664.88, 1,224,611,714.32 and 490,889,818.69 is: 677,447,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,373,664.88 : 1,224,611,714.32 = 490,889,818.69 : x
  2. Step 2: Convert to fraction form
    887,373,664.88/1,224,611,714.32 = 490,889,818.69/x
  3. Step 3: Cross multiply
    887,373,664.88x = 1,224,611,714.32 × 490,889,818.69
  4. Step 4: Simplify right side
    887,373,664.88x = 601,149,422,403,906,176
  5. Step 5: Solve for x
    x = 601,149,422,403,906,176/887,373,664.88
  6. Step 6: Final answer
    x = 677,447,896.19

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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.