Finding the Fourth Proportional to 4,338,554,563.68, 6,495,321,353.40 and 3,889,953,931.20
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Solution
The fourth proportional to 4,338,554,563.68, 6,495,321,353.40 and 3,889,953,931.20 is: 5,823,713,972.53
Step by Step Solution
- Step 1: Write the proportion equation
4,338,554,563.68 : 6,495,321,353.40 = 3,889,953,931.20 : x - Step 2: Convert to fraction form
4,338,554,563.68/6,495,321,353.40 = 3,889,953,931.20/x - Step 3: Cross multiply
4,338,554,563.68x = 6,495,321,353.40 × 3,889,953,931.20 - Step 4: Simplify right side
4,338,554,563.68x = 25,266,500,833,065,631,744 - Step 5: Solve for x
x = 25,266,500,833,065,631,744/4,338,554,563.68 - Step 6: Final answer
x = 5,823,713,972.53
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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.