Home / 978,066,112,018.90-1,467,769,318,285-341,358,509,357.42

Finding the Fourth Proportional to 978,066,112,018.90, 1,467,769,318,285 and 341,358,509,357.42

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Solution

The fourth proportional to 978,066,112,018.90, 1,467,769,318,285 and 341,358,509,357.42 is: 512,271,655,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,066,112,018.90 : 1,467,769,318,285 = 341,358,509,357.42 : x
  2. Step 2: Convert to fraction form
    978,066,112,018.90/1,467,769,318,285 = 341,358,509,357.42/x
  3. Step 3: Cross multiply
    978,066,112,018.90x = 1,467,769,318,285 × 341,358,509,357.42
  4. Step 4: Simplify right side
    978,066,112,018.90x = 501,035,546,570,324,124,368,896
  5. Step 5: Solve for x
    x = 501,035,546,570,324,124,368,896/978,066,112,018.90
  6. Step 6: Final answer
    x = 512,271,655,681.95

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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.