Finding the Fourth Proportional to 734,953,669.20, 1,102,430,503.80 and 326,009,819.70
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Solution
The fourth proportional to 734,953,669.20, 1,102,430,503.80 and 326,009,819.70 is: 489,014,729.55
Step by Step Solution
- Step 1: Write the proportion equation
734,953,669.20 : 1,102,430,503.80 = 326,009,819.70 : x - Step 2: Convert to fraction form
734,953,669.20/1,102,430,503.80 = 326,009,819.70/x - Step 3: Cross multiply
734,953,669.20x = 1,102,430,503.80 × 326,009,819.70 - Step 4: Simplify right side
734,953,669.20x = 359,403,169,775,618,112 - Step 5: Solve for x
x = 359,403,169,775,618,112/734,953,669.20 - Step 6: Final answer
x = 489,014,729.55
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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.