Finding the Fourth Proportional to 4,292,352,046.40, 6,438,528,069.60 and 1,384,600,827.20
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Solution
The fourth proportional to 4,292,352,046.40, 6,438,528,069.60 and 1,384,600,827.20 is: 2,076,901,240.80
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,046.40 : 6,438,528,069.60 = 1,384,600,827.20 : x - Step 2: Convert to fraction form
4,292,352,046.40/6,438,528,069.60 = 1,384,600,827.20/x - Step 3: Cross multiply
4,292,352,046.40x = 6,438,528,069.60 × 1,384,600,827.20 - Step 4: Simplify right side
4,292,352,046.40x = 8,914,791,291,118,579,712 - Step 5: Solve for x
x = 8,914,791,291,118,579,712/4,292,352,046.40 - Step 6: Final answer
x = 2,076,901,240.80
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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.