Finding the Fourth Proportional to 251,329,683.60, 376,994,525.40 and 173,845,585.80
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Solution
The fourth proportional to 251,329,683.60, 376,994,525.40 and 173,845,585.80 is: 260,768,378.70
Step by Step Solution
- Step 1: Write the proportion equation
251,329,683.60 : 376,994,525.40 = 173,845,585.80 : x - Step 2: Convert to fraction form
251,329,683.60/376,994,525.40 = 173,845,585.80/x - Step 3: Cross multiply
251,329,683.60x = 376,994,525.40 × 173,845,585.80 - Step 4: Simplify right side
251,329,683.60x = 65,538,834,111,555,976 - Step 5: Solve for x
x = 65,538,834,111,555,976/251,329,683.60 - Step 6: Final answer
x = 260,768,378.70
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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.