Finding the Fourth Proportional to 1,241,146,850.52, 1,712,795,852.70 and 684,249,826.62
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Solution
The fourth proportional to 1,241,146,850.52, 1,712,795,852.70 and 684,249,826.62 is: 944,272,037.39
Step by Step Solution
- Step 1: Write the proportion equation
1,241,146,850.52 : 1,712,795,852.70 = 684,249,826.62 : x - Step 2: Convert to fraction form
1,241,146,850.52/1,712,795,852.70 = 684,249,826.62/x - Step 3: Cross multiply
1,241,146,850.52x = 1,712,795,852.70 × 684,249,826.62 - Step 4: Simplify right side
1,241,146,850.52x = 1,171,980,265,245,430,016 - Step 5: Solve for x
x = 1,171,980,265,245,430,016/1,241,146,850.52 - Step 6: Final answer
x = 944,272,037.39
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1.5x scale
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.