Home / 147,478,991,269.84-203,518,842,008.60-82,374,368,679.20

Finding the Fourth Proportional to 147,478,991,269.84, 203,518,842,008.60 and 82,374,368,679.20

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Solution

The fourth proportional to 147,478,991,269.84, 203,518,842,008.60 and 82,374,368,679.20 is: 113,675,418,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478,991,269.84 : 203,518,842,008.60 = 82,374,368,679.20 : x
  2. Step 2: Convert to fraction form
    147,478,991,269.84/203,518,842,008.60 = 82,374,368,679.20/x
  3. Step 3: Cross multiply
    147,478,991,269.84x = 203,518,842,008.60 × 82,374,368,679.20
  4. Step 4: Simplify right side
    147,478,991,269.84x = 16,764,736,124,780,680,314,880
  5. Step 5: Solve for x
    x = 16,764,736,124,780,680,314,880/147,478,991,269.84
  6. Step 6: Final answer
    x = 113,675,418,989.72

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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.