Home / 1,780,758,285.65-2,671,137,511.52-1,219,967,127.82

Finding the Fourth Proportional to 1,780,758,285.65, 2,671,137,511.52 and 1,219,967,127.82

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Solution

The fourth proportional to 1,780,758,285.65, 2,671,137,511.52 and 1,219,967,127.82 is: 1,829,950,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,758,285.65 : 2,671,137,511.52 = 1,219,967,127.82 : x
  2. Step 2: Convert to fraction form
    1,780,758,285.65/2,671,137,511.52 = 1,219,967,127.82/x
  3. Step 3: Cross multiply
    1,780,758,285.65x = 2,671,137,511.52 × 1,219,967,127.82
  4. Step 4: Simplify right side
    1,780,758,285.65x = 3,258,699,957,921,861,120
  5. Step 5: Solve for x
    x = 3,258,699,957,921,861,120/1,780,758,285.65
  6. Step 6: Final answer
    x = 1,829,950,748.61

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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.