Home / 879,536,643.44-1,319,467,156.74-289,360,098.86

Finding the Fourth Proportional to 879,536,643.44, 1,319,467,156.74 and 289,360,098.86

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Solution

The fourth proportional to 879,536,643.44, 1,319,467,156.74 and 289,360,098.86 is: 434,093,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,536,643.44 : 1,319,467,156.74 = 289,360,098.86 : x
  2. Step 2: Convert to fraction form
    879,536,643.44/1,319,467,156.74 = 289,360,098.86/x
  3. Step 3: Cross multiply
    879,536,643.44x = 1,319,467,156.74 × 289,360,098.86
  4. Step 4: Simplify right side
    879,536,643.44x = 381,801,146,920,108,224
  5. Step 5: Solve for x
    x = 381,801,146,920,108,224/879,536,643.44
  6. Step 6: Final answer
    x = 434,093,507.95

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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.