Home / 147,478,991,269.58-203,518,842,008.33-82,374,368,678.97

Finding the Fourth Proportional to 147,478,991,269.58, 203,518,842,008.33 and 82,374,368,678.97

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Solution

The fourth proportional to 147,478,991,269.58, 203,518,842,008.33 and 82,374,368,678.97 is: 113,675,418,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,269.58 : 203,518,842,008.33 = 82,374,368,678.97 : x
  2. Step 2: Convert to fraction form
    147,478,991,269.58/203,518,842,008.33 = 82,374,368,678.97/x
  3. Step 3: Cross multiply
    147,478,991,269.58x = 203,518,842,008.33 × 82,374,368,678.97
  4. Step 4: Simplify right side
    147,478,991,269.58x = 16,764,736,124,711,222,640,640
  5. Step 5: Solve for x
    x = 16,764,736,124,711,222,640,640/147,478,991,269.58
  6. Step 6: Final answer
    x = 113,675,418,989.45

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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.