Finding the Fourth Proportional to 2,585,824,283.74, 3,878,736,476.99 and 620,677,362.71
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Solution
The fourth proportional to 2,585,824,283.74, 3,878,736,476.99 and 620,677,362.71 is: 931,016,056.40
Step by Step Solution
- Step 1: Write the proportion equation
2,585,824,283.74 : 3,878,736,476.99 = 620,677,362.71 : x - Step 2: Convert to fraction form
2,585,824,283.74/3,878,736,476.99 = 620,677,362.71/x - Step 3: Cross multiply
2,585,824,283.74x = 3,878,736,476.99 × 620,677,362.71 - Step 4: Simplify right side
2,585,824,283.74x = 2,407,443,927,196,477,952 - Step 5: Solve for x
x = 2,407,443,927,196,477,952/2,585,824,283.74 - Step 6: Final answer
x = 931,016,056.40
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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.