Finding the Fourth Proportional to 8,799,754,717.68, 12,143,419,430.04 and 4,839,456,580.08
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Solution
The fourth proportional to 8,799,754,717.68, 12,143,419,430.04 and 4,839,456,580.08 is: 6,678,316,947.55
Step by Step Solution
- Step 1: Write the proportion equation
8,799,754,717.68 : 12,143,419,430.04 = 4,839,456,580.08 : x - Step 2: Convert to fraction form
8,799,754,717.68/12,143,419,430.04 = 4,839,456,580.08/x - Step 3: Cross multiply
8,799,754,717.68x = 12,143,419,430.04 × 4,839,456,580.08 - Step 4: Simplify right side
8,799,754,717.68x = 58,767,551,065,378,406,400 - Step 5: Solve for x
x = 58,767,551,065,378,406,400/8,799,754,717.68 - Step 6: Final answer
x = 6,678,316,947.55
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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.