Finding the Fourth Proportional to 1,767,043,277.81, 2,438,536,540.64 and 974,117,696.10
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Solution
The fourth proportional to 1,767,043,277.81, 2,438,536,540.64 and 974,117,696.10 is: 1,344,291,691.46
Step by Step Solution
- Step 1: Write the proportion equation
1,767,043,277.81 : 2,438,536,540.64 = 974,117,696.10 : x - Step 2: Convert to fraction form
1,767,043,277.81/2,438,536,540.64 = 974,117,696.10/x - Step 3: Cross multiply
1,767,043,277.81x = 2,438,536,540.64 × 974,117,696.10 - Step 4: Simplify right side
1,767,043,277.81x = 2,375,421,596,815,438,336 - Step 5: Solve for x
x = 2,375,421,596,815,438,336/1,767,043,277.81 - Step 6: Final answer
x = 1,344,291,691.46
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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.