Finding the Fourth Proportional to 1,654,009,197.60, 2,479,512,136.68 and 825,216,329.28
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Solution
The fourth proportional to 1,654,009,197.60, 2,479,512,136.68 and 825,216,329.28 is: 1,237,075,287.61
Step by Step Solution
- Step 1: Write the proportion equation
1,654,009,197.60 : 2,479,512,136.68 = 825,216,329.28 : x - Step 2: Convert to fraction form
1,654,009,197.60/2,479,512,136.68 = 825,216,329.28/x - Step 3: Cross multiply
1,654,009,197.60x = 2,479,512,136.68 × 825,216,329.28 - Step 4: Simplify right side
1,654,009,197.60x = 2,046,133,903,836,279,040 - Step 5: Solve for x
x = 2,046,133,903,836,279,040/1,654,009,197.60 - Step 6: Final answer
x = 1,237,075,287.61
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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.