Finding the Fourth Proportional to 834,919,440.90, 1,152,211,328.70 and 491,225,592.02
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Solution
The fourth proportional to 834,919,440.90, 1,152,211,328.70 and 491,225,592.02 is: 677,904,555.03
Step by Step Solution
- Step 1: Write the proportion equation
834,919,440.90 : 1,152,211,328.70 = 491,225,592.02 : x - Step 2: Convert to fraction form
834,919,440.90/1,152,211,328.70 = 491,225,592.02/x - Step 3: Cross multiply
834,919,440.90x = 1,152,211,328.70 × 491,225,592.02 - Step 4: Simplify right side
834,919,440.90x = 565,995,692,072,808,320 - Step 5: Solve for x
x = 565,995,692,072,808,320/834,919,440.90 - Step 6: Final answer
x = 677,904,555.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.