Home / 489,196,627.20-675,071,104.32-266,179,226.88

Finding the Fourth Proportional to 489,196,627.20, 675,071,104.32 and 266,179,226.88

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Solution

The fourth proportional to 489,196,627.20, 675,071,104.32 and 266,179,226.88 is: 367,316,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,196,627.20 : 675,071,104.32 = 266,179,226.88 : x
  2. Step 2: Convert to fraction form
    489,196,627.20/675,071,104.32 = 266,179,226.88/x
  3. Step 3: Cross multiply
    489,196,627.20x = 675,071,104.32 × 266,179,226.88
  4. Step 4: Simplify right side
    489,196,627.20x = 179,689,904,636,925,440
  5. Step 5: Solve for x
    x = 179,689,904,636,925,440/489,196,627.20
  6. Step 6: Final answer
    x = 367,316,319.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.