Finding the Fourth Proportional to 526,954,881.62, 727,202,069.12 and 292,009,465.63
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Solution
The fourth proportional to 526,954,881.62, 727,202,069.12 and 292,009,465.63 is: 402,975,463.40
Step by Step Solution
- Step 1: Write the proportion equation
526,954,881.62 : 727,202,069.12 = 292,009,465.63 : x - Step 2: Convert to fraction form
526,954,881.62/727,202,069.12 = 292,009,465.63/x - Step 3: Cross multiply
526,954,881.62x = 727,202,069.12 × 292,009,465.63 - Step 4: Simplify right side
526,954,881.62x = 212,349,887,610,400,544 - Step 5: Solve for x
x = 212,349,887,610,400,544/526,954,881.62 - Step 6: Final answer
x = 402,975,463.40
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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.