Finding the Fourth Proportional to 539,602,418.97, 809,480,838.99 and 166,141,903.86
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Solution
The fourth proportional to 539,602,418.97, 809,480,838.99 and 166,141,903.86 is: 249,236,628.67
Step by Step Solution
- Step 1: Write the proportion equation
539,602,418.97 : 809,480,838.99 = 166,141,903.86 : x - Step 2: Convert to fraction form
539,602,418.97/809,480,838.99 = 166,141,903.86/x - Step 3: Cross multiply
539,602,418.97x = 809,480,838.99 × 166,141,903.86 - Step 4: Simplify right side
539,602,418.97x = 134,488,687,727,988,736 - Step 5: Solve for x
x = 134,488,687,727,988,736/539,602,418.97 - Step 6: Final answer
x = 249,236,628.67
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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.