Finding the Fourth Proportional to 2,914,952,138.64, 4,368,915,259.92 and 1,338,884,579.85
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Solution
The fourth proportional to 2,914,952,138.64, 4,368,915,259.92 and 1,338,884,579.85 is: 2,006,713,316.03
Step by Step Solution
- Step 1: Write the proportion equation
2,914,952,138.64 : 4,368,915,259.92 = 1,338,884,579.85 : x - Step 2: Convert to fraction form
2,914,952,138.64/4,368,915,259.92 = 1,338,884,579.85/x - Step 3: Cross multiply
2,914,952,138.64x = 4,368,915,259.92 × 1,338,884,579.85 - Step 4: Simplify right side
2,914,952,138.64x = 5,849,473,272,178,242,560 - Step 5: Solve for x
x = 5,849,473,272,178,242,560/2,914,952,138.64 - Step 6: Final answer
x = 2,006,713,316.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.