Home / 2,878,861,538.52-4,319,885,757.06-1,405,013,555.88

Finding the Fourth Proportional to 2,878,861,538.52, 4,319,885,757.06 and 1,405,013,555.88

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Solution

The fourth proportional to 2,878,861,538.52, 4,319,885,757.06 and 1,405,013,555.88 is: 2,108,298,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,861,538.52 : 4,319,885,757.06 = 1,405,013,555.88 : x
  2. Step 2: Convert to fraction form
    2,878,861,538.52/4,319,885,757.06 = 1,405,013,555.88/x
  3. Step 3: Cross multiply
    2,878,861,538.52x = 4,319,885,757.06 × 1,405,013,555.88
  4. Step 4: Simplify right side
    2,878,861,538.52x = 6,069,498,048,522,237,952
  5. Step 5: Solve for x
    x = 6,069,498,048,522,237,952/2,878,861,538.52
  6. Step 6: Final answer
    x = 2,108,298,008.54

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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.