Home / 3,089,412,089.80-4,639,492,905.90-1,638,223,865.80

Finding the Fourth Proportional to 3,089,412,089.80, 4,639,492,905.90 and 1,638,223,865.80

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Solution

The fourth proportional to 3,089,412,089.80, 4,639,492,905.90 and 1,638,223,865.80 is: 2,460,185,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089,412,089.80 : 4,639,492,905.90 = 1,638,223,865.80 : x
  2. Step 2: Convert to fraction form
    3,089,412,089.80/4,639,492,905.90 = 1,638,223,865.80/x
  3. Step 3: Cross multiply
    3,089,412,089.80x = 4,639,492,905.90 × 1,638,223,865.80
  4. Step 4: Simplify right side
    3,089,412,089.80x = 7,600,528,003,655,173,120
  5. Step 5: Solve for x
    x = 7,600,528,003,655,173,120/3,089,412,089.80
  6. Step 6: Final answer
    x = 2,460,185,880.92

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1.5x scale

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.