Finding the Fourth Proportional to 424,546,859,848.72, 636,909,739,588.05 and 137,682,548,309.08
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Solution
The fourth proportional to 424,546,859,848.72, 636,909,739,588.05 and 137,682,548,309.08 is: 206,552,831,460.35
Step by Step Solution
- Step 1: Write the proportion equation
424,546,859,848.72 : 636,909,739,588.05 = 137,682,548,309.08 : x - Step 2: Convert to fraction form
424,546,859,848.72/636,909,739,588.05 = 137,682,548,309.08/x - Step 3: Cross multiply
424,546,859,848.72x = 636,909,739,588.05 × 137,682,548,309.08 - Step 4: Simplify right side
424,546,859,848.72x = 87,691,355,989,355,253,465,088 - Step 5: Solve for x
x = 87,691,355,989,355,253,465,088/424,546,859,848.72 - Step 6: Final answer
x = 206,552,831,460.35
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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.