Home / 862,826,896.40-1,294,240,344.60-598,807,007.60

Finding the Fourth Proportional to 862,826,896.40, 1,294,240,344.60 and 598,807,007.60

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Solution

The fourth proportional to 862,826,896.40, 1,294,240,344.60 and 598,807,007.60 is: 898,210,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,826,896.40 : 1,294,240,344.60 = 598,807,007.60 : x
  2. Step 2: Convert to fraction form
    862,826,896.40/1,294,240,344.60 = 598,807,007.60/x
  3. Step 3: Cross multiply
    862,826,896.40x = 1,294,240,344.60 × 598,807,007.60
  4. Step 4: Simplify right side
    862,826,896.40x = 775,000,187,865,118,848
  5. Step 5: Solve for x
    x = 775,000,187,865,118,848/862,826,896.40
  6. Step 6: Final answer
    x = 898,210,511.40

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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.