Finding the Fourth Proportional to 2,439,151,405.68, 3,658,719,869.52 and 692,355,620.88
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Solution
The fourth proportional to 2,439,151,405.68, 3,658,719,869.52 and 692,355,620.88 is: 1,038,531,376.52
Step by Step Solution
- Step 1: Write the proportion equation
2,439,151,405.68 : 3,658,719,869.52 = 692,355,620.88 : x - Step 2: Convert to fraction form
2,439,151,405.68/3,658,719,869.52 = 692,355,620.88/x - Step 3: Cross multiply
2,439,151,405.68x = 3,658,719,869.52 × 692,355,620.88 - Step 4: Simplify right side
2,439,151,405.68x = 2,533,135,266,887,512,064 - Step 5: Solve for x
x = 2,533,135,266,887,512,064/2,439,151,405.68 - Step 6: Final answer
x = 1,038,531,376.52
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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.