Finding the Fourth Proportional to 1,926,236,605.57, 2,888,646,197.27 and 665,379,848.57
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Solution
The fourth proportional to 1,926,236,605.57, 2,888,646,197.27 and 665,379,848.57 is: 997,824,962.80
Step by Step Solution
- Step 1: Write the proportion equation
1,926,236,605.57 : 2,888,646,197.27 = 665,379,848.57 : x - Step 2: Convert to fraction form
1,926,236,605.57/2,888,646,197.27 = 665,379,848.57/x - Step 3: Cross multiply
1,926,236,605.57x = 2,888,646,197.27 × 665,379,848.57 - Step 4: Simplify right side
1,926,236,605.57x = 1,922,046,969,294,048,768 - Step 5: Solve for x
x = 1,922,046,969,294,048,768/1,926,236,605.57 - Step 6: Final answer
x = 997,824,962.80
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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.