Finding the Fourth Proportional to 614,552,445.45, 921,828,668.18 and 549,982,363.95
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Solution
The fourth proportional to 614,552,445.45, 921,828,668.18 and 549,982,363.95 is: 824,973,545.93
Step by Step Solution
- Step 1: Write the proportion equation
614,552,445.45 : 921,828,668.18 = 549,982,363.95 : x - Step 2: Convert to fraction form
614,552,445.45/921,828,668.18 = 549,982,363.95/x - Step 3: Cross multiply
614,552,445.45x = 921,828,668.18 × 549,982,363.95 - Step 4: Simplify right side
614,552,445.45x = 506,989,510,079,766,656 - Step 5: Solve for x
x = 506,989,510,079,766,656/614,552,445.45 - Step 6: Final answer
x = 824,973,545.93
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Similar ratio
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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.