Home / 491,242,020,606.15-677,949,068,348.37-271,505,985,674.14

Finding the Fourth Proportional to 491,242,020,606.15, 677,949,068,348.37 and 271,505,985,674.14

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Solution

The fourth proportional to 491,242,020,606.15, 677,949,068,348.37 and 271,505,985,674.14 is: 374,697,648,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,242,020,606.15 : 677,949,068,348.37 = 271,505,985,674.14 : x
  2. Step 2: Convert to fraction form
    491,242,020,606.15/677,949,068,348.37 = 271,505,985,674.14/x
  3. Step 3: Cross multiply
    491,242,020,606.15x = 677,949,068,348.37 × 271,505,985,674.14
  4. Step 4: Simplify right side
    491,242,020,606.15x = 184,067,230,038,789,116,133,376
  5. Step 5: Solve for x
    x = 184,067,230,038,789,116,133,376/491,242,020,606.15
  6. Step 6: Final answer
    x = 374,697,648,649.17

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Double scale
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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.