Home / 654,529,296.69-903,269,642.94-357,190,730.19

Finding the Fourth Proportional to 654,529,296.69, 903,269,642.94 and 357,190,730.19

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Solution

The fourth proportional to 654,529,296.69, 903,269,642.94 and 357,190,730.19 is: 492,933,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,529,296.69 : 903,269,642.94 = 357,190,730.19 : x
  2. Step 2: Convert to fraction form
    654,529,296.69/903,269,642.94 = 357,190,730.19/x
  3. Step 3: Cross multiply
    654,529,296.69x = 903,269,642.94 × 357,190,730.19
  4. Step 4: Simplify right side
    654,529,296.69x = 322,639,543,320,199,168
  5. Step 5: Solve for x
    x = 322,639,543,320,199,168/654,529,296.69
  6. Step 6: Final answer
    x = 492,933,692.89

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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.