Finding the Fourth Proportional to 1,473,649,248.95, 2,033,814,292.23 and 838,724,121.92
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Solution
The fourth proportional to 1,473,649,248.95, 2,033,814,292.23 and 838,724,121.92 is: 1,157,540,783.61
Step by Step Solution
- Step 1: Write the proportion equation
1,473,649,248.95 : 2,033,814,292.23 = 838,724,121.92 : x - Step 2: Convert to fraction form
1,473,649,248.95/2,033,814,292.23 = 838,724,121.92/x - Step 3: Cross multiply
1,473,649,248.95x = 2,033,814,292.23 × 838,724,121.92 - Step 4: Simplify right side
1,473,649,248.95x = 1,705,809,106,398,952,960 - Step 5: Solve for x
x = 1,705,809,106,398,952,960/1,473,649,248.95 - Step 6: Final answer
x = 1,157,540,783.61
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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.