Finding the Fourth Proportional to 944,247,583.08, 1,303,062,919.82 and 520,851,693.60
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Solution
The fourth proportional to 944,247,583.08, 1,303,062,919.82 and 520,851,693.60 is: 718,776,029.52
Step by Step Solution
- Step 1: Write the proportion equation
944,247,583.08 : 1,303,062,919.82 = 520,851,693.60 : x - Step 2: Convert to fraction form
944,247,583.08/1,303,062,919.82 = 520,851,693.60/x - Step 3: Cross multiply
944,247,583.08x = 1,303,062,919.82 × 520,851,693.60 - Step 4: Simplify right side
944,247,583.08x = 678,702,528,653,003,776 - Step 5: Solve for x
x = 678,702,528,653,003,776/944,247,583.08 - Step 6: Final answer
x = 718,776,029.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.