Finding the Fourth Proportional to 7,553,440,470.80, 10,423,780,256.32 and 4,120,213,603.48
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Solution
The fourth proportional to 7,553,440,470.80, 10,423,780,256.32 and 4,120,213,603.48 is: 5,685,912,449.80
Step by Step Solution
- Step 1: Write the proportion equation
7,553,440,470.80 : 10,423,780,256.32 = 4,120,213,603.48 : x - Step 2: Convert to fraction form
7,553,440,470.80/10,423,780,256.32 = 4,120,213,603.48/x - Step 3: Cross multiply
7,553,440,470.80x = 10,423,780,256.32 × 4,120,213,603.48 - Step 4: Simplify right side
7,553,440,470.80x = 42,948,201,211,775,901,696 - Step 5: Solve for x
x = 42,948,201,211,775,901,696/7,553,440,470.80 - Step 6: Final answer
x = 5,685,912,449.80
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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.