Finding the Fourth Proportional to 433,029,000.90, 649,543,501.35 and 429,202,625.70
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Solution
The fourth proportional to 433,029,000.90, 649,543,501.35 and 429,202,625.70 is: 643,803,938.55
Step by Step Solution
- Step 1: Write the proportion equation
433,029,000.90 : 649,543,501.35 = 429,202,625.70 : x - Step 2: Convert to fraction form
433,029,000.90/649,543,501.35 = 429,202,625.70/x - Step 3: Cross multiply
433,029,000.90x = 649,543,501.35 × 429,202,625.70 - Step 4: Simplify right side
433,029,000.90x = 278,785,776,285,791,488 - Step 5: Solve for x
x = 278,785,776,285,791,488/433,029,000.90 - Step 6: Final answer
x = 643,803,938.55
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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.