Home / 1,009,964,232.56-1,515,090,932.01-310,515,099.08

Finding the Fourth Proportional to 1,009,964,232.56, 1,515,090,932.01 and 310,515,099.08

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Solution

The fourth proportional to 1,009,964,232.56, 1,515,090,932.01 and 310,515,099.08 is: 465,817,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,964,232.56 : 1,515,090,932.01 = 310,515,099.08 : x
  2. Step 2: Convert to fraction form
    1,009,964,232.56/1,515,090,932.01 = 310,515,099.08/x
  3. Step 3: Cross multiply
    1,009,964,232.56x = 1,515,090,932.01 × 310,515,099.08
  4. Step 4: Simplify right side
    1,009,964,232.56x = 470,458,610,860,719,232
  5. Step 5: Solve for x
    x = 470,458,610,860,719,232/1,009,964,232.56
  6. Step 6: Final answer
    x = 465,817,100.94

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Half scale
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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.