Finding the Fourth Proportional to 442,829,026.74, 663,986,556.24 and 209,657,781.18
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Solution
The fourth proportional to 442,829,026.74, 663,986,556.24 and 209,657,781.18 is: 314,365,002.54
Step by Step Solution
- Step 1: Write the proportion equation
442,829,026.74 : 663,986,556.24 = 209,657,781.18 : x - Step 2: Convert to fraction form
442,829,026.74/663,986,556.24 = 209,657,781.18/x - Step 3: Cross multiply
442,829,026.74x = 663,986,556.24 × 209,657,781.18 - Step 4: Simplify right side
442,829,026.74x = 139,209,948,114,627,696 - Step 5: Solve for x
x = 139,209,948,114,627,696/442,829,026.74 - Step 6: Final answer
x = 314,365,002.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.