Finding the Fourth Proportional to 485,798,672.07, 727,539,621.84 and 310,369,833.81
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Solution
The fourth proportional to 485,798,672.07, 727,539,621.84 and 310,369,833.81 is: 464,814,674.27
Step by Step Solution
- Step 1: Write the proportion equation
485,798,672.07 : 727,539,621.84 = 310,369,833.81 : x - Step 2: Convert to fraction form
485,798,672.07/727,539,621.84 = 310,369,833.81/x - Step 3: Cross multiply
485,798,672.07x = 727,539,621.84 × 310,369,833.81 - Step 4: Simplify right side
485,798,672.07x = 225,806,351,520,671,072 - Step 5: Solve for x
x = 225,806,351,520,671,072/485,798,672.07 - Step 6: Final answer
x = 464,814,674.27
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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.