Finding the Fourth Proportional to 10,671,073,328.80, 14,721,252,307.92 and 6,440,632,907.68
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Solution
The fourth proportional to 10,671,073,328.80, 14,721,252,307.92 and 6,440,632,907.68 is: 8,885,158,890.32
Step by Step Solution
- Step 1: Write the proportion equation
10,671,073,328.80 : 14,721,252,307.92 = 6,440,632,907.68 : x - Step 2: Convert to fraction form
10,671,073,328.80/14,721,252,307.92 = 6,440,632,907.68/x - Step 3: Cross multiply
10,671,073,328.80x = 14,721,252,307.92 × 6,440,632,907.68 - Step 4: Simplify right side
10,671,073,328.80x = 94,814,182,056,649,703,424 - Step 5: Solve for x
x = 94,814,182,056,649,703,424/10,671,073,328.80 - Step 6: Final answer
x = 8,885,158,890.32
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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.