Home / 1,005,968,422.35-1,388,236,489.60-559,922,213.23

Finding the Fourth Proportional to 1,005,968,422.35, 1,388,236,489.60 and 559,922,213.23

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Solution

The fourth proportional to 1,005,968,422.35, 1,388,236,489.60 and 559,922,213.23 is: 772,692,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,968,422.35 : 1,388,236,489.60 = 559,922,213.23 : x
  2. Step 2: Convert to fraction form
    1,005,968,422.35/1,388,236,489.60 = 559,922,213.23/x
  3. Step 3: Cross multiply
    1,005,968,422.35x = 1,388,236,489.60 × 559,922,213.23
  4. Step 4: Simplify right side
    1,005,968,422.35x = 777,304,447,743,477,888
  5. Step 5: Solve for x
    x = 777,304,447,743,477,888/1,005,968,422.35
  6. Step 6: Final answer
    x = 772,692,691.41

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Half scale
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Double scale
Find fourth proportional to 1,005,968,423.35, 1,388,236,490.98 and 559,922,214.23
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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.