Finding the Fourth Proportional to 487,160,218.08, 730,703,574.36 and 155,153,811.60
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Solution
The fourth proportional to 487,160,218.08, 730,703,574.36 and 155,153,811.60 is: 232,719,012.15
Step by Step Solution
- Step 1: Write the proportion equation
487,160,218.08 : 730,703,574.36 = 155,153,811.60 : x - Step 2: Convert to fraction form
487,160,218.08/730,703,574.36 = 155,153,811.60/x - Step 3: Cross multiply
487,160,218.08x = 730,703,574.36 × 155,153,811.60 - Step 4: Simplify right side
487,160,218.08x = 113,371,444,711,698,032 - Step 5: Solve for x
x = 113,371,444,711,698,032/487,160,218.08 - Step 6: Final answer
x = 232,719,012.15
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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.