Finding the Fourth Proportional to 644,953,173,318.90, 967,393,599,828.75 and 197,771,846,261.94
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Solution
The fourth proportional to 644,953,173,318.90, 967,393,599,828.75 and 197,771,846,261.94 is: 296,646,681,053.72
Step by Step Solution
- Step 1: Write the proportion equation
644,953,173,318.90 : 967,393,599,828.75 = 197,771,846,261.94 : x - Step 2: Convert to fraction form
644,953,173,318.90/967,393,599,828.75 = 197,771,846,261.94/x - Step 3: Cross multiply
644,953,173,318.90x = 967,393,599,828.75 × 197,771,846,261.94 - Step 4: Simplify right side
644,953,173,318.90x = 191,323,218,300,116,249,083,904 - Step 5: Solve for x
x = 191,323,218,300,116,249,083,904/644,953,173,318.90 - Step 6: Final answer
x = 296,646,681,053.72
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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.