Home / 839,968,328.66-1,158,983,244.92-482,667,066.96

Finding the Fourth Proportional to 839,968,328.66, 1,158,983,244.92 and 482,667,066.96

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Solution

The fourth proportional to 839,968,328.66, 1,158,983,244.92 and 482,667,066.96 is: 665,981,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,968,328.66 : 1,158,983,244.92 = 482,667,066.96 : x
  2. Step 2: Convert to fraction form
    839,968,328.66/1,158,983,244.92 = 482,667,066.96/x
  3. Step 3: Cross multiply
    839,968,328.66x = 1,158,983,244.92 × 482,667,066.96
  4. Step 4: Simplify right side
    839,968,328.66x = 559,403,043,478,906,368
  5. Step 5: Solve for x
    x = 559,403,043,478,906,368/839,968,328.66
  6. Step 6: Final answer
    x = 665,981,114.28

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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.