Finding the Fourth Proportional to 9,839,534,951.51, 13,587,936,159.14 and 9,303,483,362.19
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Solution
The fourth proportional to 9,839,534,951.51, 13,587,936,159.14 and 9,303,483,362.19 is: 12,847,674,062.45
Step by Step Solution
- Step 1: Write the proportion equation
9,839,534,951.51 : 13,587,936,159.14 = 9,303,483,362.19 : x - Step 2: Convert to fraction form
9,839,534,951.51/13,587,936,159.14 = 9,303,483,362.19/x - Step 3: Cross multiply
9,839,534,951.51x = 13,587,936,159.14 × 9,303,483,362.19 - Step 4: Simplify right side
9,839,534,951.51x = 126,415,137,983,058,886,656 - Step 5: Solve for x
x = 126,415,137,983,058,886,656/9,839,534,951.51 - Step 6: Final answer
x = 12,847,674,062.45
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Double scale
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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.