Finding the Fourth Proportional to 7,966,421,729.84, 10,998,623,432.04 and 5,071,207,018.88
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Solution
The fourth proportional to 7,966,421,729.84, 10,998,623,432.04 and 5,071,207,018.88 is: 7,001,424,006.67
Step by Step Solution
- Step 1: Write the proportion equation
7,966,421,729.84 : 10,998,623,432.04 = 5,071,207,018.88 : x - Step 2: Convert to fraction form
7,966,421,729.84/10,998,623,432.04 = 5,071,207,018.88/x - Step 3: Cross multiply
7,966,421,729.84x = 10,998,623,432.04 × 5,071,207,018.88 - Step 4: Simplify right side
7,966,421,729.84x = 55,776,296,346,579,288,064 - Step 5: Solve for x
x = 55,776,296,346,579,288,064/7,966,421,729.84 - Step 6: Final answer
x = 7,001,424,006.67
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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.