Home / 684,956,813.57-1,027,432,323.80-248,155,086.05

Finding the Fourth Proportional to 684,956,813.57, 1,027,432,323.80 and 248,155,086.05

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Solution

The fourth proportional to 684,956,813.57, 1,027,432,323.80 and 248,155,086.05 is: 372,231,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,956,813.57 : 1,027,432,323.80 = 248,155,086.05 : x
  2. Step 2: Convert to fraction form
    684,956,813.57/1,027,432,323.80 = 248,155,086.05/x
  3. Step 3: Cross multiply
    684,956,813.57x = 1,027,432,323.80 × 248,155,086.05
  4. Step 4: Simplify right side
    684,956,813.57x = 254,962,556,723,140,448
  5. Step 5: Solve for x
    x = 254,962,556,723,140,448/684,956,813.57
  6. Step 6: Final answer
    x = 372,231,579.67

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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.