Finding the Fourth Proportional to 457,311,406.68, 631,095,480.96 and 248,471,037
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Solution
The fourth proportional to 457,311,406.68, 631,095,480.96 and 248,471,037 is: 342,893,149.63
Step by Step Solution
- Step 1: Write the proportion equation
457,311,406.68 : 631,095,480.96 = 248,471,037 : x - Step 2: Convert to fraction form
457,311,406.68/631,095,480.96 = 248,471,037/x - Step 3: Cross multiply
457,311,406.68x = 631,095,480.96 × 248,471,037 - Step 4: Simplify right side
457,311,406.68x = 156,808,948,600,144,960 - Step 5: Solve for x
x = 156,808,948,600,144,960/457,311,406.68 - Step 6: Final answer
x = 342,893,149.63
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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.