Finding the Fourth Proportional to 1,974,882,915.80, 2,962,386,818.16 and 731,624,526.08
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Solution
The fourth proportional to 1,974,882,915.80, 2,962,386,818.16 and 731,624,526.08 is: 1,097,459,922.59
Step by Step Solution
- Step 1: Write the proportion equation
1,974,882,915.80 : 2,962,386,818.16 = 731,624,526.08 : x - Step 2: Convert to fraction form
1,974,882,915.80/2,962,386,818.16 = 731,624,526.08/x - Step 3: Cross multiply
1,974,882,915.80x = 2,962,386,818.16 × 731,624,526.08 - Step 4: Simplify right side
1,974,882,915.80x = 2,167,354,851,901,949,184 - Step 5: Solve for x
x = 2,167,354,851,901,949,184/1,974,882,915.80 - Step 6: Final answer
x = 1,097,459,922.59
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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.