Finding the Fourth Proportional to 2,870,791,968, 3,961,694,511.36 and 1,550,692,536.96
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Solution
The fourth proportional to 2,870,791,968, 3,961,694,511.36 and 1,550,692,536.96 is: 2,139,956,562.84
Step by Step Solution
- Step 1: Write the proportion equation
2,870,791,968 : 3,961,694,511.36 = 1,550,692,536.96 : x - Step 2: Convert to fraction form
2,870,791,968/3,961,694,511.36 = 1,550,692,536.96/x - Step 3: Cross multiply
2,870,791,968x = 3,961,694,511.36 × 1,550,692,536.96 - Step 4: Simplify right side
2,870,791,968x = 6,143,370,112,481,346,560 - Step 5: Solve for x
x = 6,143,370,112,481,346,560/2,870,791,968 - Step 6: Final answer
x = 2,139,956,562.84
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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.