Finding the Fourth Proportional to 2,125,164,389.86, 2,933,667,257.79 and 1,372,844,386.99
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Solution
The fourth proportional to 2,125,164,389.86, 2,933,667,257.79 and 1,372,844,386.99 is: 1,895,132,747.08
Step by Step Solution
- Step 1: Write the proportion equation
2,125,164,389.86 : 2,933,667,257.79 = 1,372,844,386.99 : x - Step 2: Convert to fraction form
2,125,164,389.86/2,933,667,257.79 = 1,372,844,386.99/x - Step 3: Cross multiply
2,125,164,389.86x = 2,933,667,257.79 × 1,372,844,386.99 - Step 4: Simplify right side
2,125,164,389.86x = 4,027,468,628,153,347,072 - Step 5: Solve for x
x = 4,027,468,628,153,347,072/2,125,164,389.86 - Step 6: Final answer
x = 1,895,132,747.08
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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.