Finding the Fourth Proportional to 879,433,259.10, 1,320,451,591.05 and 492,029,828.70
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Solution
The fourth proportional to 879,433,259.10, 1,320,451,591.05 and 492,029,828.70 is: 738,773,026.18
Step by Step Solution
- Step 1: Write the proportion equation
879,433,259.10 : 1,320,451,591.05 = 492,029,828.70 : x - Step 2: Convert to fraction form
879,433,259.10/1,320,451,591.05 = 492,029,828.70/x - Step 3: Cross multiply
879,433,259.10x = 1,320,451,591.05 × 492,029,828.70 - Step 4: Simplify right side
879,433,259.10x = 649,701,570,150,973,952 - Step 5: Solve for x
x = 649,701,570,150,973,952/879,433,259.10 - Step 6: Final answer
x = 738,773,026.18
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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.