Home / 505,297,956.93-696,317,877.19-386,355,316.34

Finding the Fourth Proportional to 505,297,956.93, 696,317,877.19 and 386,355,316.34

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Solution

The fourth proportional to 505,297,956.93, 696,317,877.19 and 386,355,316.34 is: 532,410,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,297,956.93 : 696,317,877.19 = 386,355,316.34 : x
  2. Step 2: Convert to fraction form
    505,297,956.93/696,317,877.19 = 386,355,316.34/x
  3. Step 3: Cross multiply
    505,297,956.93x = 696,317,877.19 × 386,355,316.34
  4. Step 4: Simplify right side
    505,297,956.93x = 269,026,113,715,714,592
  5. Step 5: Solve for x
    x = 269,026,113,715,714,592/505,297,956.93
  6. Step 6: Final answer
    x = 532,410,847.95

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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.