Home / 462,250,789.52-637,946,445.96-253,447,288.47

Finding the Fourth Proportional to 462,250,789.52, 637,946,445.96 and 253,447,288.47

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Solution

The fourth proportional to 462,250,789.52, 637,946,445.96 and 253,447,288.47 is: 349,779,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,250,789.52 : 637,946,445.96 = 253,447,288.47 : x
  2. Step 2: Convert to fraction form
    462,250,789.52/637,946,445.96 = 253,447,288.47/x
  3. Step 3: Cross multiply
    462,250,789.52x = 637,946,445.96 × 253,447,288.47
  4. Step 4: Simplify right side
    462,250,789.52x = 161,685,796,917,635,392
  5. Step 5: Solve for x
    x = 161,685,796,917,635,392/462,250,789.52
  6. Step 6: Final answer
    x = 349,779,385.09

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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.