Finding the Fourth Proportional to 842,724,026.08, 1,264,086,039.12 and 567,225,011.68
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Solution
The fourth proportional to 842,724,026.08, 1,264,086,039.12 and 567,225,011.68 is: 850,837,517.51
Step by Step Solution
- Step 1: Write the proportion equation
842,724,026.08 : 1,264,086,039.12 = 567,225,011.68 : x - Step 2: Convert to fraction form
842,724,026.08/1,264,086,039.12 = 567,225,011.68/x - Step 3: Cross multiply
842,724,026.08x = 1,264,086,039.12 × 567,225,011.68 - Step 4: Simplify right side
842,724,026.08x = 717,021,218,295,210,368 - Step 5: Solve for x
x = 717,021,218,295,210,368/842,724,026.08 - Step 6: Final answer
x = 850,837,517.51
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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.