Finding the Fourth Proportional to 1,084,515,840.09, 1,496,527,281.59 and 608,225,544.99
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Solution
The fourth proportional to 1,084,515,840.09, 1,496,527,281.59 and 608,225,544.99 is: 839,292,602.09
Step by Step Solution
- Step 1: Write the proportion equation
1,084,515,840.09 : 1,496,527,281.59 = 608,225,544.99 : x - Step 2: Convert to fraction form
1,084,515,840.09/1,496,527,281.59 = 608,225,544.99/x - Step 3: Cross multiply
1,084,515,840.09x = 1,496,527,281.59 × 608,225,544.99 - Step 4: Simplify right side
1,084,515,840.09x = 910,226,121,434,439,808 - Step 5: Solve for x
x = 910,226,121,434,439,808/1,084,515,840.09 - Step 6: Final answer
x = 839,292,602.09
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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.