Finding the Fourth Proportional to 9,312,948,286.80, 13,969,422,430.20 and 6,374,292,133.20
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Solution
The fourth proportional to 9,312,948,286.80, 13,969,422,430.20 and 6,374,292,133.20 is: 9,561,438,199.80
Step by Step Solution
- Step 1: Write the proportion equation
9,312,948,286.80 : 13,969,422,430.20 = 6,374,292,133.20 : x - Step 2: Convert to fraction form
9,312,948,286.80/13,969,422,430.20 = 6,374,292,133.20/x - Step 3: Cross multiply
9,312,948,286.80x = 13,969,422,430.20 × 6,374,292,133.20 - Step 4: Simplify right side
9,312,948,286.80x = 89,045,179,502,171,488,256 - Step 5: Solve for x
x = 89,045,179,502,171,488,256/9,312,948,286.80 - Step 6: Final answer
x = 9,561,438,199.80
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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.