Home / 9,047,880,579.76-12,486,188,162.50-4,979,250,383.81

Finding the Fourth Proportional to 9,047,880,579.76, 12,486,188,162.50 and 4,979,250,383.81

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Solution

The fourth proportional to 9,047,880,579.76, 12,486,188,162.50 and 4,979,250,383.81 is: 6,871,427,695.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047,880,579.76 : 12,486,188,162.50 = 4,979,250,383.81 : x
  2. Step 2: Convert to fraction form
    9,047,880,579.76/12,486,188,162.50 = 4,979,250,383.81/x
  3. Step 3: Cross multiply
    9,047,880,579.76x = 12,486,188,162.50 × 4,979,250,383.81
  4. Step 4: Simplify right side
    9,047,880,579.76x = 62,171,857,200,374,636,544
  5. Step 5: Solve for x
    x = 62,171,857,200,374,636,544/9,047,880,579.76
  6. Step 6: Final answer
    x = 6,871,427,695.40

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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.