Finding the Fourth Proportional to 1,916,915,291.40, 2,875,372,937.10 and 1,710,291,030.60
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Solution
The fourth proportional to 1,916,915,291.40, 2,875,372,937.10 and 1,710,291,030.60 is: 2,565,436,545.90
Step by Step Solution
- Step 1: Write the proportion equation
1,916,915,291.40 : 2,875,372,937.10 = 1,710,291,030.60 : x - Step 2: Convert to fraction form
1,916,915,291.40/2,875,372,937.10 = 1,710,291,030.60/x - Step 3: Cross multiply
1,916,915,291.40x = 2,875,372,937.10 × 1,710,291,030.60 - Step 4: Simplify right side
1,916,915,291.40x = 4,917,724,543,952,107,520 - Step 5: Solve for x
x = 4,917,724,543,952,107,520/1,916,915,291.40 - Step 6: Final answer
x = 2,565,436,545.90
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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.