Home / 356,291,602.60-491,694,514.98-339,965,735.08

Finding the Fourth Proportional to 356,291,602.60, 491,694,514.98 and 339,965,735.08

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Solution

The fourth proportional to 356,291,602.60, 491,694,514.98 and 339,965,735.08 is: 469,164,263.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,291,602.60 : 491,694,514.98 = 339,965,735.08 : x
  2. Step 2: Convert to fraction form
    356,291,602.60/491,694,514.98 = 339,965,735.08/x
  3. Step 3: Cross multiply
    356,291,602.60x = 491,694,514.98 × 339,965,735.08
  4. Step 4: Simplify right side
    356,291,602.60x = 167,159,287,219,979,776
  5. Step 5: Solve for x
    x = 167,159,287,219,979,776/356,291,602.60
  6. Step 6: Final answer
    x = 469,164,263.21

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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.