Finding the Fourth Proportional to 1,536,484,991.49, 2,304,729,149.76 and 719,171,248.77
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Solution
The fourth proportional to 1,536,484,991.49, 2,304,729,149.76 and 719,171,248.77 is: 1,078,757,651.32
Step by Step Solution
- Step 1: Write the proportion equation
1,536,484,991.49 : 2,304,729,149.76 = 719,171,248.77 : x - Step 2: Convert to fraction form
1,536,484,991.49/2,304,729,149.76 = 719,171,248.77/x - Step 3: Cross multiply
1,536,484,991.49x = 2,304,729,149.76 × 719,171,248.77 - Step 4: Simplify right side
1,536,484,991.49x = 1,657,494,940,709,519,616 - Step 5: Solve for x
x = 1,657,494,940,709,519,616/1,536,484,991.49 - Step 6: Final answer
x = 1,078,757,651.32
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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.