Finding the Fourth Proportional to 1,874,246,998.80, 2,811,370,498.20 and 1,390,517,590.80
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Solution
The fourth proportional to 1,874,246,998.80, 2,811,370,498.20 and 1,390,517,590.80 is: 2,085,776,386.20
Step by Step Solution
- Step 1: Write the proportion equation
1,874,246,998.80 : 2,811,370,498.20 = 1,390,517,590.80 : x - Step 2: Convert to fraction form
1,874,246,998.80/2,811,370,498.20 = 1,390,517,590.80/x - Step 3: Cross multiply
1,874,246,998.80x = 2,811,370,498.20 × 1,390,517,590.80 - Step 4: Simplify right side
1,874,246,998.80x = 3,909,260,132,003,259,392 - Step 5: Solve for x
x = 3,909,260,132,003,259,392/1,874,246,998.80 - Step 6: Final answer
x = 2,085,776,386.20
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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.