Home / 635,519,312.70-877,027,139.31-349,422,927.02

Finding the Fourth Proportional to 635,519,312.70, 877,027,139.31 and 349,422,927.02

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Solution

The fourth proportional to 635,519,312.70, 877,027,139.31 and 349,422,927.02 is: 482,209,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,519,312.70 : 877,027,139.31 = 349,422,927.02 : x
  2. Step 2: Convert to fraction form
    635,519,312.70/877,027,139.31 = 349,422,927.02/x
  3. Step 3: Cross multiply
    635,519,312.70x = 877,027,139.31 × 349,422,927.02
  4. Step 4: Simplify right side
    635,519,312.70x = 306,453,390,094,869,312
  5. Step 5: Solve for x
    x = 306,453,390,094,869,312/635,519,312.70
  6. Step 6: Final answer
    x = 482,209,405.71

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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.