Finding the Fourth Proportional to 927,148,032,029.75, 1,390,722,048,044.70 and 927,148,032,029.75
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Solution
The fourth proportional to 927,148,032,029.75, 1,390,722,048,044.70 and 927,148,032,029.75 is: 1,390,722,048,044.70
Step by Step Solution
- Step 1: Write the proportion equation
927,148,032,029.75 : 1,390,722,048,044.70 = 927,148,032,029.75 : x - Step 2: Convert to fraction form
927,148,032,029.75/1,390,722,048,044.70 = 927,148,032,029.75/x - Step 3: Cross multiply
927,148,032,029.75x = 1,390,722,048,044.70 × 927,148,032,029.75 - Step 4: Simplify right side
927,148,032,029.75x = 1,289,405,209,945,027,108,667,392 - Step 5: Solve for x
x = 1,289,405,209,945,027,108,667,392/927,148,032,029.75 - Step 6: Final answer
x = 1,390,722,048,044.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.