Finding the Fourth Proportional to 457,363,696.34, 631,160,526.84 and 248,520,476.18
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Solution
The fourth proportional to 457,363,696.34, 631,160,526.84 and 248,520,476.18 is: 342,957,510.47
Step by Step Solution
- Step 1: Write the proportion equation
457,363,696.34 : 631,160,526.84 = 248,520,476.18 : x - Step 2: Convert to fraction form
457,363,696.34/631,160,526.84 = 248,520,476.18/x - Step 3: Cross multiply
457,363,696.34x = 631,160,526.84 × 248,520,476.18 - Step 4: Simplify right side
457,363,696.34x = 156,856,314,676,296,480 - Step 5: Solve for x
x = 156,856,314,676,296,480/457,363,696.34 - Step 6: Final answer
x = 342,957,510.47
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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.