Finding the Fourth Proportional to 2,480,544,041.60, 3,720,816,062.40 and 2,135,886,838.40
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Solution
The fourth proportional to 2,480,544,041.60, 3,720,816,062.40 and 2,135,886,838.40 is: 3,203,830,257.60
Step by Step Solution
- Step 1: Write the proportion equation
2,480,544,041.60 : 3,720,816,062.40 = 2,135,886,838.40 : x - Step 2: Convert to fraction form
2,480,544,041.60/3,720,816,062.40 = 2,135,886,838.40/x - Step 3: Cross multiply
2,480,544,041.60x = 3,720,816,062.40 × 2,135,886,838.40 - Step 4: Simplify right side
2,480,544,041.60x = 7,947,242,055,787,473,920 - Step 5: Solve for x
x = 7,947,242,055,787,473,920/2,480,544,041.60 - Step 6: Final answer
x = 3,203,830,257.60
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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.