Finding the Fourth Proportional to 2,102,751,397.71, 2,902,690,417.35 and 1,310,188,959.02
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Solution
The fourth proportional to 2,102,751,397.71, 2,902,690,417.35 and 1,310,188,959.02 is: 1,808,617,481.08
Step by Step Solution
- Step 1: Write the proportion equation
2,102,751,397.71 : 2,902,690,417.35 = 1,310,188,959.02 : x - Step 2: Convert to fraction form
2,102,751,397.71/2,902,690,417.35 = 1,310,188,959.02/x - Step 3: Cross multiply
2,102,751,397.71x = 2,902,690,417.35 × 1,310,188,959.02 - Step 4: Simplify right side
2,102,751,397.71x = 3,803,072,936,265,125,888 - Step 5: Solve for x
x = 3,803,072,936,265,125,888/2,102,751,397.71 - Step 6: Final answer
x = 1,808,617,481.08
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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.