Finding the Fourth Proportional to 615,190,783.04, 848,968,574.84 and 350,886,163.84
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Solution
The fourth proportional to 615,190,783.04, 848,968,574.84 and 350,886,163.84 is: 484,225,925.78
Step by Step Solution
- Step 1: Write the proportion equation
615,190,783.04 : 848,968,574.84 = 350,886,163.84 : x - Step 2: Convert to fraction form
615,190,783.04/848,968,574.84 = 350,886,163.84/x - Step 3: Cross multiply
615,190,783.04x = 848,968,574.84 × 350,886,163.84 - Step 4: Simplify right side
615,190,783.04x = 297,891,326,446,319,552 - Step 5: Solve for x
x = 297,891,326,446,319,552/615,190,783.04 - Step 6: Final answer
x = 484,225,925.78
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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.