Finding the Fourth Proportional to 2,249,648,215.20, 3,374,472,322.80 and 795,625,639.20
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Solution
The fourth proportional to 2,249,648,215.20, 3,374,472,322.80 and 795,625,639.20 is: 1,193,438,458.80
Step by Step Solution
- Step 1: Write the proportion equation
2,249,648,215.20 : 3,374,472,322.80 = 795,625,639.20 : x - Step 2: Convert to fraction form
2,249,648,215.20/3,374,472,322.80 = 795,625,639.20/x - Step 3: Cross multiply
2,249,648,215.20x = 3,374,472,322.80 × 795,625,639.20 - Step 4: Simplify right side
2,249,648,215.20x = 2,684,816,698,790,458,880 - Step 5: Solve for x
x = 2,684,816,698,790,458,880/2,249,648,215.20 - Step 6: Final answer
x = 1,193,438,458.80
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1.5x scale
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.