Home / 1,005,968,447.66-1,388,236,524.52-559,922,238.54

Finding the Fourth Proportional to 1,005,968,447.66, 1,388,236,524.52 and 559,922,238.54

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Solution

The fourth proportional to 1,005,968,447.66, 1,388,236,524.52 and 559,922,238.54 is: 772,692,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,447.66 : 1,388,236,524.52 = 559,922,238.54 : x
  2. Step 2: Convert to fraction form
    1,005,968,447.66/1,388,236,524.52 = 559,922,238.54/x
  3. Step 3: Cross multiply
    1,005,968,447.66x = 1,388,236,524.52 × 559,922,238.54
  4. Step 4: Simplify right side
    1,005,968,447.66x = 777,304,502,432,227,968
  5. Step 5: Solve for x
    x = 777,304,502,432,227,968/1,005,968,447.66
  6. Step 6: Final answer
    x = 772,692,726.34

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Half scale
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Double scale
Find fourth proportional to 1,005,968,448.66, 1,388,236,525.90 and 559,922,239.54
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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.