Home / 1,139,255,406.92-1,709,140,826.64-362,945,289.80

Finding the Fourth Proportional to 1,139,255,406.92, 1,709,140,826.64 and 362,945,289.80

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Solution

The fourth proportional to 1,139,255,406.92, 1,709,140,826.64 and 362,945,289.80 is: 544,500,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,255,406.92 : 1,709,140,826.64 = 362,945,289.80 : x
  2. Step 2: Convert to fraction form
    1,139,255,406.92/1,709,140,826.64 = 362,945,289.80/x
  3. Step 3: Cross multiply
    1,139,255,406.92x = 1,709,140,826.64 × 362,945,289.80
  4. Step 4: Simplify right side
    1,139,255,406.92x = 620,324,612,633,866,368
  5. Step 5: Solve for x
    x = 620,324,612,633,866,368/1,139,255,406.92
  6. Step 6: Final answer
    x = 544,500,038.24

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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.