Home / 726,384,846.40-1,089,577,269.60-598,839,006.40

Finding the Fourth Proportional to 726,384,846.40, 1,089,577,269.60 and 598,839,006.40

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Solution

The fourth proportional to 726,384,846.40, 1,089,577,269.60 and 598,839,006.40 is: 898,258,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,384,846.40 : 1,089,577,269.60 = 598,839,006.40 : x
  2. Step 2: Convert to fraction form
    726,384,846.40/1,089,577,269.60 = 598,839,006.40/x
  3. Step 3: Cross multiply
    726,384,846.40x = 1,089,577,269.60 × 598,839,006.40
  4. Step 4: Simplify right side
    726,384,846.40x = 652,481,369,523,288,832
  5. Step 5: Solve for x
    x = 652,481,369,523,288,832/726,384,846.40
  6. Step 6: Final answer
    x = 898,258,509.60

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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.