Finding the Fourth Proportional to 4,205,128,838.30, 6,307,693,257.45 and 1,751,146,876.70
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Solution
The fourth proportional to 4,205,128,838.30, 6,307,693,257.45 and 1,751,146,876.70 is: 2,626,720,315.05
Step by Step Solution
- Step 1: Write the proportion equation
4,205,128,838.30 : 6,307,693,257.45 = 1,751,146,876.70 : x - Step 2: Convert to fraction form
4,205,128,838.30/6,307,693,257.45 = 1,751,146,876.70/x - Step 3: Cross multiply
4,205,128,838.30x = 6,307,693,257.45 × 1,751,146,876.70 - Step 4: Simplify right side
4,205,128,838.30x = 11,045,697,346,965,217,280 - Step 5: Solve for x
x = 11,045,697,346,965,217,280/4,205,128,838.30 - Step 6: Final answer
x = 2,626,720,315.05
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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.