Finding the Fourth Proportional to 651,942,133.20, 977,577,276.60 and 242,787,675.60
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Solution
The fourth proportional to 651,942,133.20, 977,577,276.60 and 242,787,675.60 is: 364,056,413.32
Step by Step Solution
- Step 1: Write the proportion equation
651,942,133.20 : 977,577,276.60 = 242,787,675.60 : x - Step 2: Convert to fraction form
651,942,133.20/977,577,276.60 = 242,787,675.60/x - Step 3: Cross multiply
651,942,133.20x = 977,577,276.60 × 242,787,675.60 - Step 4: Simplify right side
651,942,133.20x = 237,343,714,705,092,256 - Step 5: Solve for x
x = 237,343,714,705,092,256/651,942,133.20 - Step 6: Final answer
x = 364,056,413.32
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1.5x scale
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.