Finding the Fourth Proportional to 415,334,554.68, 573,098,017.86 and 239,088,493.92
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Solution
The fourth proportional to 415,334,554.68, 573,098,017.86 and 239,088,493.92 is: 329,905,471.18
Step by Step Solution
- Step 1: Write the proportion equation
415,334,554.68 : 573,098,017.86 = 239,088,493.92 : x - Step 2: Convert to fraction form
415,334,554.68/573,098,017.86 = 239,088,493.92/x - Step 3: Cross multiply
415,334,554.68x = 573,098,017.86 × 239,088,493.92 - Step 4: Simplify right side
415,334,554.68x = 137,021,141,958,684,656 - Step 5: Solve for x
x = 137,021,141,958,684,656/415,334,554.68 - Step 6: Final answer
x = 329,905,471.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.