Finding the Fourth Proportional to 7,387,601,490.64, 11,092,459,862 and 6,394,701,966.62
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Solution
The fourth proportional to 7,387,601,490.64, 11,092,459,862 and 6,394,701,966.62 is: 9,601,624,422.22
Step by Step Solution
- Step 1: Write the proportion equation
7,387,601,490.64 : 11,092,459,862 = 6,394,701,966.62 : x - Step 2: Convert to fraction form
7,387,601,490.64/11,092,459,862 = 6,394,701,966.62/x - Step 3: Cross multiply
7,387,601,490.64x = 11,092,459,862 × 6,394,701,966.62 - Step 4: Simplify right side
7,387,601,490.64x = 70,932,974,894,184,808,448 - Step 5: Solve for x
x = 70,932,974,894,184,808,448/7,387,601,490.64 - Step 6: Final answer
x = 9,601,624,422.22
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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.