Finding the Fourth Proportional to 452,490,681.54, 678,731,685.36 and 268,125,445.53
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Solution
The fourth proportional to 452,490,681.54, 678,731,685.36 and 268,125,445.53 is: 402,185,598.42
Step by Step Solution
- Step 1: Write the proportion equation
452,490,681.54 : 678,731,685.36 = 268,125,445.53 : x - Step 2: Convert to fraction form
452,490,681.54/678,731,685.36 = 268,125,445.53/x - Step 3: Cross multiply
452,490,681.54x = 678,731,685.36 × 268,125,445.53 - Step 4: Simplify right side
452,490,681.54x = 181,985,235,532,477,792 - Step 5: Solve for x
x = 181,985,235,532,477,792/452,490,681.54 - Step 6: Final answer
x = 402,185,598.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.