Finding the Fourth Proportional to 8,031,612,548.90, 11,071,943,946.60 and 5,612,785,347.98
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Solution
The fourth proportional to 8,031,612,548.90, 11,071,943,946.60 and 5,612,785,347.98 is: 7,737,480,409.91
Step by Step Solution
- Step 1: Write the proportion equation
8,031,612,548.90 : 11,071,943,946.60 = 5,612,785,347.98 : x - Step 2: Convert to fraction form
8,031,612,548.90/11,071,943,946.60 = 5,612,785,347.98/x - Step 3: Cross multiply
8,031,612,548.90x = 11,071,943,946.60 × 5,612,785,347.98 - Step 4: Simplify right side
8,031,612,548.90x = 62,144,444,757,132,328,960 - Step 5: Solve for x
x = 62,144,444,757,132,328,960/8,031,612,548.90 - Step 6: Final answer
x = 7,737,480,409.91
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1.5x scale
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.