Home / 1,005,968,451.66-1,388,236,530.03-559,922,242.53

Finding the Fourth Proportional to 1,005,968,451.66, 1,388,236,530.03 and 559,922,242.53

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Solution

The fourth proportional to 1,005,968,451.66, 1,388,236,530.03 and 559,922,242.53 is: 772,692,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,451.66 : 1,388,236,530.03 = 559,922,242.53 : x
  2. Step 2: Convert to fraction form
    1,005,968,451.66/1,388,236,530.03 = 559,922,242.53/x
  3. Step 3: Cross multiply
    1,005,968,451.66x = 1,388,236,530.03 × 559,922,242.53
  4. Step 4: Simplify right side
    1,005,968,451.66x = 777,304,511,056,463,232
  5. Step 5: Solve for x
    x = 777,304,511,056,463,232/1,005,968,451.66
  6. Step 6: Final answer
    x = 772,692,731.84

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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.