Finding the Fourth Proportional to 517,626,693.87, 776,825,663.76 and 379,808,433.06
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Solution
The fourth proportional to 517,626,693.87, 776,825,663.76 and 379,808,433.06 is: 569,995,600.32
Step by Step Solution
- Step 1: Write the proportion equation
517,626,693.87 : 776,825,663.76 = 379,808,433.06 : x - Step 2: Convert to fraction form
517,626,693.87/776,825,663.76 = 379,808,433.06/x - Step 3: Cross multiply
517,626,693.87x = 776,825,663.76 × 379,808,433.06 - Step 4: Simplify right side
517,626,693.87x = 295,044,938,113,480,000 - Step 5: Solve for x
x = 295,044,938,113,480,000/517,626,693.87 - Step 6: Final answer
x = 569,995,600.32
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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.