Home / 364,378,628.52-502,830,000.72-207,796,131.68

Finding the Fourth Proportional to 364,378,628.52, 502,830,000.72 and 207,796,131.68

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Solution

The fourth proportional to 364,378,628.52, 502,830,000.72 and 207,796,131.68 is: 286,751,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,378,628.52 : 502,830,000.72 = 207,796,131.68 : x
  2. Step 2: Convert to fraction form
    364,378,628.52/502,830,000.72 = 207,796,131.68/x
  3. Step 3: Cross multiply
    364,378,628.52x = 502,830,000.72 × 207,796,131.68
  4. Step 4: Simplify right side
    364,378,628.52x = 104,486,129,039,753,472
  5. Step 5: Solve for x
    x = 104,486,129,039,753,472/364,378,628.52
  6. Step 6: Final answer
    x = 286,751,529.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.