Finding the Fourth Proportional to 276,329,643.60, 414,494,465.40 and 84,828,536.40
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Solution
The fourth proportional to 276,329,643.60, 414,494,465.40 and 84,828,536.40 is: 127,242,804.60
Step by Step Solution
- Step 1: Write the proportion equation
276,329,643.60 : 414,494,465.40 = 84,828,536.40 : x - Step 2: Convert to fraction form
276,329,643.60/414,494,465.40 = 84,828,536.40/x - Step 3: Cross multiply
276,329,643.60x = 414,494,465.40 × 84,828,536.40 - Step 4: Simplify right side
276,329,643.60x = 35,160,958,845,782,440 - Step 5: Solve for x
x = 35,160,958,845,782,440/276,329,643.60 - Step 6: Final answer
x = 127,242,804.60
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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.