Finding the Fourth Proportional to 554,447,028.73, 765,142,946.27 and 306,932,516.41
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Solution
The fourth proportional to 554,447,028.73, 765,142,946.27 and 306,932,516.41 is: 423,570,219.95
Step by Step Solution
- Step 1: Write the proportion equation
554,447,028.73 : 765,142,946.27 = 306,932,516.41 : x - Step 2: Convert to fraction form
554,447,028.73/765,142,946.27 = 306,932,516.41/x - Step 3: Cross multiply
554,447,028.73x = 765,142,946.27 × 306,932,516.41 - Step 4: Simplify right side
554,447,028.73x = 234,847,249,912,012,544 - Step 5: Solve for x
x = 234,847,249,912,012,544/554,447,028.73 - Step 6: Final answer
x = 423,570,219.95
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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.