Finding the Fourth Proportional to 5,221,122,730.70, 7,831,684,096.05 and 1,774,550,698.70
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Solution
The fourth proportional to 5,221,122,730.70, 7,831,684,096.05 and 1,774,550,698.70 is: 2,661,826,048.05
Step by Step Solution
- Step 1: Write the proportion equation
5,221,122,730.70 : 7,831,684,096.05 = 1,774,550,698.70 : x - Step 2: Convert to fraction form
5,221,122,730.70/7,831,684,096.05 = 1,774,550,698.70/x - Step 3: Cross multiply
5,221,122,730.70x = 7,831,684,096.05 × 1,774,550,698.70 - Step 4: Simplify right side
5,221,122,730.70x = 13,897,720,484,643,205,120 - Step 5: Solve for x
x = 13,897,720,484,643,205,120/5,221,122,730.70 - Step 6: Final answer
x = 2,661,826,048.05
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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.