Finding the Fourth Proportional to 1,655,029,826.74, 2,286,121,307.30 and 1,226,735,364.48
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Solution
The fourth proportional to 1,655,029,826.74, 2,286,121,307.30 and 1,226,735,364.48 is: 1,694,510,763.40
Step by Step Solution
- Step 1: Write the proportion equation
1,655,029,826.74 : 2,286,121,307.30 = 1,226,735,364.48 : x - Step 2: Convert to fraction form
1,655,029,826.74/2,286,121,307.30 = 1,226,735,364.48/x - Step 3: Cross multiply
1,655,029,826.74x = 2,286,121,307.30 × 1,226,735,364.48 - Step 4: Simplify right side
1,655,029,826.74x = 2,804,465,855,156,160,000 - Step 5: Solve for x
x = 2,804,465,855,156,160,000/1,655,029,826.74 - Step 6: Final answer
x = 1,694,510,763.40
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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.