Finding the Fourth Proportional to 8,031,612,546.90, 11,071,943,943.84 and 5,612,785,345.98
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Solution
The fourth proportional to 8,031,612,546.90, 11,071,943,943.84 and 5,612,785,345.98 is: 7,737,480,407.15
Step by Step Solution
- Step 1: Write the proportion equation
8,031,612,546.90 : 11,071,943,943.84 = 5,612,785,345.98 : x - Step 2: Convert to fraction form
8,031,612,546.90/11,071,943,943.84 = 5,612,785,345.98/x - Step 3: Cross multiply
8,031,612,546.90x = 11,071,943,943.84 × 5,612,785,345.98 - Step 4: Simplify right side
8,031,612,546.90x = 62,144,444,719,497,158,656 - Step 5: Solve for x
x = 62,144,444,719,497,158,656/8,031,612,546.90 - Step 6: Final answer
x = 7,737,480,407.15
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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.