Finding the Fourth Proportional to 1,454,447,276.48, 2,007,079,252.72 and 819,352,974.08
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Solution
The fourth proportional to 1,454,447,276.48, 2,007,079,252.72 and 819,352,974.08 is: 1,130,674,436.62
Step by Step Solution
- Step 1: Write the proportion equation
1,454,447,276.48 : 2,007,079,252.72 = 819,352,974.08 : x - Step 2: Convert to fraction form
1,454,447,276.48/2,007,079,252.72 = 819,352,974.08/x - Step 3: Cross multiply
1,454,447,276.48x = 2,007,079,252.72 × 819,352,974.08 - Step 4: Simplify right side
1,454,447,276.48x = 1,644,506,354,930,396,160 - Step 5: Solve for x
x = 1,644,506,354,930,396,160/1,454,447,276.48 - Step 6: Final answer
x = 1,130,674,436.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.