Finding the Fourth Proportional to 614,532,140.90, 921,798,211.35 and 604,328,473.70
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Solution
The fourth proportional to 614,532,140.90, 921,798,211.35 and 604,328,473.70 is: 906,492,710.55
Step by Step Solution
- Step 1: Write the proportion equation
614,532,140.90 : 921,798,211.35 = 604,328,473.70 : x - Step 2: Convert to fraction form
614,532,140.90/921,798,211.35 = 604,328,473.70/x - Step 3: Cross multiply
614,532,140.90x = 921,798,211.35 × 604,328,473.70 - Step 4: Simplify right side
614,532,140.90x = 557,068,906,124,535,552 - Step 5: Solve for x
x = 557,068,906,124,535,552/614,532,140.90 - Step 6: Final answer
x = 906,492,710.55
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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.