Home / 147,478,991,270.23-203,518,842,009.23-82,374,368,679.63

Finding the Fourth Proportional to 147,478,991,270.23, 203,518,842,009.23 and 82,374,368,679.63

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Solution

The fourth proportional to 147,478,991,270.23, 203,518,842,009.23 and 82,374,368,679.63 is: 113,675,418,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,270.23 : 203,518,842,009.23 = 82,374,368,679.63 : x
  2. Step 2: Convert to fraction form
    147,478,991,270.23/203,518,842,009.23 = 82,374,368,679.63/x
  3. Step 3: Cross multiply
    147,478,991,270.23x = 203,518,842,009.23 × 82,374,368,679.63
  4. Step 4: Simplify right side
    147,478,991,270.23x = 16,764,736,124,919,683,743,744
  5. Step 5: Solve for x
    x = 16,764,736,124,919,683,743,744/147,478,991,270.23
  6. Step 6: Final answer
    x = 113,675,418,990.36

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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.