Finding the Fourth Proportional to 5,314,473,964.80, 7,971,710,947.20 and 2,553,437,203.20
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Solution
The fourth proportional to 5,314,473,964.80, 7,971,710,947.20 and 2,553,437,203.20 is: 3,830,155,804.80
Step by Step Solution
- Step 1: Write the proportion equation
5,314,473,964.80 : 7,971,710,947.20 = 2,553,437,203.20 : x - Step 2: Convert to fraction form
5,314,473,964.80/7,971,710,947.20 = 2,553,437,203.20/x - Step 3: Cross multiply
5,314,473,964.80x = 7,971,710,947.20 × 2,553,437,203.20 - Step 4: Simplify right side
5,314,473,964.80x = 20,355,263,305,737,187,328 - Step 5: Solve for x
x = 20,355,263,305,737,187,328/5,314,473,964.80 - Step 6: Final answer
x = 3,830,155,804.80
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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.