Finding the Fourth Proportional to 1,411,515,014.40, 2,117,272,521.60 and 829,528,070.40
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Solution
The fourth proportional to 1,411,515,014.40, 2,117,272,521.60 and 829,528,070.40 is: 1,244,292,105.60
Step by Step Solution
- Step 1: Write the proportion equation
1,411,515,014.40 : 2,117,272,521.60 = 829,528,070.40 : x - Step 2: Convert to fraction form
1,411,515,014.40/2,117,272,521.60 = 829,528,070.40/x - Step 3: Cross multiply
1,411,515,014.40x = 2,117,272,521.60 × 829,528,070.40 - Step 4: Simplify right side
1,411,515,014.40x = 1,756,336,989,353,790,208 - Step 5: Solve for x
x = 1,756,336,989,353,790,208/1,411,515,014.40 - Step 6: Final answer
x = 1,244,292,105.60
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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.