Finding the Fourth Proportional to 8,755,657,038.57, 13,130,769,275.12 and 3,158,866,552.13
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Solution
The fourth proportional to 8,755,657,038.57, 13,130,769,275.12 and 3,158,866,552.13 is: 4,737,319,847.52
Step by Step Solution
- Step 1: Write the proportion equation
8,755,657,038.57 : 13,130,769,275.12 = 3,158,866,552.13 : x - Step 2: Convert to fraction form
8,755,657,038.57/13,130,769,275.12 = 3,158,866,552.13/x - Step 3: Cross multiply
8,755,657,038.57x = 13,130,769,275.12 × 3,158,866,552.13 - Step 4: Simplify right side
8,755,657,038.57x = 41,478,347,866,905,255,936 - Step 5: Solve for x
x = 41,478,347,866,905,255,936/8,755,657,038.57 - Step 6: Final answer
x = 4,737,319,847.52
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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.