Finding the Fourth Proportional to 8,759,035,838.99, 12,087,219,652.20 and 5,142,001,414.45
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Solution
The fourth proportional to 8,759,035,838.99, 12,087,219,652.20 and 5,142,001,414.45 is: 7,095,815,303.29
Step by Step Solution
- Step 1: Write the proportion equation
8,759,035,838.99 : 12,087,219,652.20 = 5,142,001,414.45 : x - Step 2: Convert to fraction form
8,759,035,838.99/12,087,219,652.20 = 5,142,001,414.45/x - Step 3: Cross multiply
8,759,035,838.99x = 12,087,219,652.20 × 5,142,001,414.45 - Step 4: Simplify right side
8,759,035,838.99x = 62,152,500,548,350,025,728 - Step 5: Solve for x
x = 62,152,500,548,350,025,728/8,759,035,838.99 - Step 6: Final answer
x = 7,095,815,303.29
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1.5x scale
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.