Finding the Fourth Proportional to 651,381,616.80, 977,072,425.20 and 522,241,453.80
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Solution
The fourth proportional to 651,381,616.80, 977,072,425.20 and 522,241,453.80 is: 783,362,180.70
Step by Step Solution
- Step 1: Write the proportion equation
651,381,616.80 : 977,072,425.20 = 522,241,453.80 : x - Step 2: Convert to fraction form
651,381,616.80/977,072,425.20 = 522,241,453.80/x - Step 3: Cross multiply
651,381,616.80x = 977,072,425.20 × 522,241,453.80 - Step 4: Simplify right side
651,381,616.80x = 510,267,723,804,339,776 - Step 5: Solve for x
x = 510,267,723,804,339,776/651,381,616.80 - Step 6: Final answer
x = 783,362,180.70
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1.5x scale
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.