Finding the Fourth Proportional to 1,553,757,901.80, 2,329,965,006.30 and 777,103,463.40
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Solution
The fourth proportional to 1,553,757,901.80, 2,329,965,006.30 and 777,103,463.40 is: 1,165,319,174.82
Step by Step Solution
- Step 1: Write the proportion equation
1,553,757,901.80 : 2,329,965,006.30 = 777,103,463.40 : x - Step 2: Convert to fraction form
1,553,757,901.80/2,329,965,006.30 = 777,103,463.40/x - Step 3: Cross multiply
1,553,757,901.80x = 2,329,965,006.30 × 777,103,463.40 - Step 4: Simplify right side
1,553,757,901.80x = 1,810,623,875,996,532,992 - Step 5: Solve for x
x = 1,810,623,875,996,532,992/1,553,757,901.80 - Step 6: Final answer
x = 1,165,319,174.82
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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.