Home / 684,956,812.57-1,027,432,322.30-248,155,085.05

Finding the Fourth Proportional to 684,956,812.57, 1,027,432,322.30 and 248,155,085.05

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Solution

The fourth proportional to 684,956,812.57, 1,027,432,322.30 and 248,155,085.05 is: 372,231,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,956,812.57 : 1,027,432,322.30 = 248,155,085.05 : x
  2. Step 2: Convert to fraction form
    684,956,812.57/1,027,432,322.30 = 248,155,085.05/x
  3. Step 3: Cross multiply
    684,956,812.57x = 1,027,432,322.30 × 248,155,085.05
  4. Step 4: Simplify right side
    684,956,812.57x = 254,962,555,323,475,520
  5. Step 5: Solve for x
    x = 254,962,555,323,475,520/684,956,812.57
  6. Step 6: Final answer
    x = 372,231,578.17

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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.