Finding the Fourth Proportional to 346,415,345.64, 478,049,193.14 and 187,642,475.36
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Solution
The fourth proportional to 346,415,345.64, 478,049,193.14 and 187,642,475.36 is: 258,944,458.06
Step by Step Solution
- Step 1: Write the proportion equation
346,415,345.64 : 478,049,193.14 = 187,642,475.36 : x - Step 2: Convert to fraction form
346,415,345.64/478,049,193.14 = 187,642,475.36/x - Step 3: Cross multiply
346,415,345.64x = 478,049,193.14 × 187,642,475.36 - Step 4: Simplify right side
346,415,345.64x = 89,702,333,941,311,872 - Step 5: Solve for x
x = 89,702,333,941,311,872/346,415,345.64 - Step 6: Final answer
x = 258,944,458.06
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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.