Finding the Fourth Proportional to 1,473,649,246.95, 2,033,814,289.47 and 838,724,119.92
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Solution
The fourth proportional to 1,473,649,246.95, 2,033,814,289.47 and 838,724,119.92 is: 1,157,540,780.85
Step by Step Solution
- Step 1: Write the proportion equation
1,473,649,246.95 : 2,033,814,289.47 = 838,724,119.92 : x - Step 2: Convert to fraction form
1,473,649,246.95/2,033,814,289.47 = 838,724,119.92/x - Step 3: Cross multiply
1,473,649,246.95x = 2,033,814,289.47 × 838,724,119.92 - Step 4: Simplify right side
1,473,649,246.95x = 1,705,809,100,016,445,696 - Step 5: Solve for x
x = 1,705,809,100,016,445,696/1,473,649,246.95 - Step 6: Final answer
x = 1,157,540,780.85
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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.