Finding the Fourth Proportional to 369,866,437.99, 510,222,172.20 and 228,692,530.74
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Solution
The fourth proportional to 369,866,437.99, 510,222,172.20 and 228,692,530.74 is: 315,476,041.66
Step by Step Solution
- Step 1: Write the proportion equation
369,866,437.99 : 510,222,172.20 = 228,692,530.74 : x - Step 2: Convert to fraction form
369,866,437.99/510,222,172.20 = 228,692,530.74/x - Step 3: Cross multiply
369,866,437.99x = 510,222,172.20 × 228,692,530.74 - Step 4: Simplify right side
369,866,437.99x = 116,683,999,800,078,080 - Step 5: Solve for x
x = 116,683,999,800,078,080/369,866,437.99 - Step 6: Final answer
x = 315,476,041.66
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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.