Finding the Fourth Proportional to 709,366,988.05, 1,064,050,482.08 and 709,366,988.05
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Solution
The fourth proportional to 709,366,988.05, 1,064,050,482.08 and 709,366,988.05 is: 1,064,050,482.08
Step by Step Solution
- Step 1: Write the proportion equation
709,366,988.05 : 1,064,050,482.08 = 709,366,988.05 : x - Step 2: Convert to fraction form
709,366,988.05/1,064,050,482.08 = 709,366,988.05/x - Step 3: Cross multiply
709,366,988.05x = 1,064,050,482.08 × 709,366,988.05 - Step 4: Simplify right side
709,366,988.05x = 754,802,285,606,240,128 - Step 5: Solve for x
x = 754,802,285,606,240,128/709,366,988.05 - Step 6: Final answer
x = 1,064,050,482.08
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Double scale
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Similar ratio
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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.