Finding the Fourth Proportional to 858,909,717.99, 1,288,268,095.35 and 237,213,332.31
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Solution
The fourth proportional to 858,909,717.99, 1,288,268,095.35 and 237,213,332.31 is: 355,793,352.21
Step by Step Solution
- Step 1: Write the proportion equation
858,909,717.99 : 1,288,268,095.35 = 237,213,332.31 : x - Step 2: Convert to fraction form
858,909,717.99/1,288,268,095.35 = 237,213,332.31/x - Step 3: Cross multiply
858,909,717.99x = 1,288,268,095.35 × 237,213,332.31 - Step 4: Simplify right side
858,909,717.99x = 305,594,367,806,630,272 - Step 5: Solve for x
x = 305,594,367,806,630,272/858,909,717.99 - Step 6: Final answer
x = 355,793,352.21
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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.