Finding the Fourth Proportional to 4,945,541,637.60, 7,418,312,456.40 and 4,911,104,260.80
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Solution
The fourth proportional to 4,945,541,637.60, 7,418,312,456.40 and 4,911,104,260.80 is: 7,366,656,391.20
Step by Step Solution
- Step 1: Write the proportion equation
4,945,541,637.60 : 7,418,312,456.40 = 4,911,104,260.80 : x - Step 2: Convert to fraction form
4,945,541,637.60/7,418,312,456.40 = 4,911,104,260.80/x - Step 3: Cross multiply
4,945,541,637.60x = 7,418,312,456.40 × 4,911,104,260.80 - Step 4: Simplify right side
4,945,541,637.60x = 36,432,105,912,571,752,448 - Step 5: Solve for x
x = 36,432,105,912,571,752,448/4,945,541,637.60 - Step 6: Final answer
x = 7,366,656,391.20
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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.