Finding the Fourth Proportional to 7,365,655,138.90, 11,048,482,708.35 and 4,426,998,985.30
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Solution
The fourth proportional to 7,365,655,138.90, 11,048,482,708.35 and 4,426,998,985.30 is: 6,640,498,477.95
Step by Step Solution
- Step 1: Write the proportion equation
7,365,655,138.90 : 11,048,482,708.35 = 4,426,998,985.30 : x - Step 2: Convert to fraction form
7,365,655,138.90/11,048,482,708.35 = 4,426,998,985.30/x - Step 3: Cross multiply
7,365,655,138.90x = 11,048,482,708.35 × 4,426,998,985.30 - Step 4: Simplify right side
7,365,655,138.90x = 48,911,621,738,970,046,464 - Step 5: Solve for x
x = 48,911,621,738,970,046,464/7,365,655,138.90 - Step 6: Final answer
x = 6,640,498,477.95
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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.