Finding the Fourth Proportional to 7,652,549,287.20, 11,478,823,930.80 and 4,160,627,623.20
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Solution
The fourth proportional to 7,652,549,287.20, 11,478,823,930.80 and 4,160,627,623.20 is: 6,240,941,434.80
Step by Step Solution
- Step 1: Write the proportion equation
7,652,549,287.20 : 11,478,823,930.80 = 4,160,627,623.20 : x - Step 2: Convert to fraction form
7,652,549,287.20/11,478,823,930.80 = 4,160,627,623.20/x - Step 3: Cross multiply
7,652,549,287.20x = 11,478,823,930.80 × 4,160,627,623.20 - Step 4: Simplify right side
7,652,549,287.20x = 47,759,111,928,335,679,488 - Step 5: Solve for x
x = 47,759,111,928,335,679,488/7,652,549,287.20 - Step 6: Final answer
x = 6,240,941,434.80
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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.