Finding the Fourth Proportional to 347,626,657.80, 521,439,986.70 and 156,523,681.80
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Solution
The fourth proportional to 347,626,657.80, 521,439,986.70 and 156,523,681.80 is: 234,785,522.70
Step by Step Solution
- Step 1: Write the proportion equation
347,626,657.80 : 521,439,986.70 = 156,523,681.80 : x - Step 2: Convert to fraction form
347,626,657.80/521,439,986.70 = 156,523,681.80/x - Step 3: Cross multiply
347,626,657.80x = 521,439,986.70 × 156,523,681.80 - Step 4: Simplify right side
347,626,657.80x = 81,617,706,556,027,040 - Step 5: Solve for x
x = 81,617,706,556,027,040/347,626,657.80 - Step 6: Final answer
x = 234,785,522.70
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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.