Finding the Fourth Proportional to 709,928,611.48, 1,069,738,702.93 and 583,371,251.72
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Solution
The fourth proportional to 709,928,611.48, 1,069,738,702.93 and 583,371,251.72 is: 879,038,816.09
Step by Step Solution
- Step 1: Write the proportion equation
709,928,611.48 : 1,069,738,702.93 = 583,371,251.72 : x - Step 2: Convert to fraction form
709,928,611.48/1,069,738,702.93 = 583,371,251.72/x - Step 3: Cross multiply
709,928,611.48x = 1,069,738,702.93 × 583,371,251.72 - Step 4: Simplify right side
709,928,611.48x = 624,054,806,141,603,328 - Step 5: Solve for x
x = 624,054,806,141,603,328/709,928,611.48 - Step 6: Final answer
x = 879,038,816.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.