Finding the Fourth Proportional to 1,164,621,880.08, 1,607,385,791.16 and 688,292,803.80
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Solution
The fourth proportional to 1,164,621,880.08, 1,607,385,791.16 and 688,292,803.80 is: 949,966,759.09
Step by Step Solution
- Step 1: Write the proportion equation
1,164,621,880.08 : 1,607,385,791.16 = 688,292,803.80 : x - Step 2: Convert to fraction form
1,164,621,880.08/1,607,385,791.16 = 688,292,803.80/x - Step 3: Cross multiply
1,164,621,880.08x = 1,607,385,791.16 × 688,292,803.80 - Step 4: Simplify right side
1,164,621,880.08x = 1,106,352,072,985,797,632 - Step 5: Solve for x
x = 1,106,352,072,985,797,632/1,164,621,880.08 - Step 6: Final answer
x = 949,966,759.09
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1.5x scale
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.