Home / 683,005,392.42-942,550,449.60-369,739,606.38

Finding the Fourth Proportional to 683,005,392.42, 942,550,449.60 and 369,739,606.38

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Solution

The fourth proportional to 683,005,392.42, 942,550,449.60 and 369,739,606.38 is: 510,242,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,005,392.42 : 942,550,449.60 = 369,739,606.38 : x
  2. Step 2: Convert to fraction form
    683,005,392.42/942,550,449.60 = 369,739,606.38/x
  3. Step 3: Cross multiply
    683,005,392.42x = 942,550,449.60 × 369,739,606.38
  4. Step 4: Simplify right side
    683,005,392.42x = 348,498,232,228,396,032
  5. Step 5: Solve for x
    x = 348,498,232,228,396,032/683,005,392.42
  6. Step 6: Final answer
    x = 510,242,285.19

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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.