Finding the Fourth Proportional to 478,641,261.93, 718,036,125.14 and 202,293,639.59
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Solution
The fourth proportional to 478,641,261.93, 718,036,125.14 and 202,293,639.59 is: 303,471,833.01
Step by Step Solution
- Step 1: Write the proportion equation
478,641,261.93 : 718,036,125.14 = 202,293,639.59 : x - Step 2: Convert to fraction form
478,641,261.93/718,036,125.14 = 202,293,639.59/x - Step 3: Cross multiply
478,641,261.93x = 718,036,125.14 × 202,293,639.59 - Step 4: Simplify right side
478,641,261.93x = 145,254,141,110,381,952 - Step 5: Solve for x
x = 145,254,141,110,381,952/478,641,261.93 - Step 6: Final answer
x = 303,471,833.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.