Finding the Fourth Proportional to 2,270,751,774.63, 3,133,631,572.13 and 1,267,158,784.21
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Solution
The fourth proportional to 2,270,751,774.63, 3,133,631,572.13 and 1,267,158,784.21 is: 1,748,675,842.72
Step by Step Solution
- Step 1: Write the proportion equation
2,270,751,774.63 : 3,133,631,572.13 = 1,267,158,784.21 : x - Step 2: Convert to fraction form
2,270,751,774.63/3,133,631,572.13 = 1,267,158,784.21/x - Step 3: Cross multiply
2,270,751,774.63x = 3,133,631,572.13 × 1,267,158,784.21 - Step 4: Simplify right side
2,270,751,774.63x = 3,970,808,773,097,781,760 - Step 5: Solve for x
x = 3,970,808,773,097,781,760/2,270,751,774.63 - Step 6: Final answer
x = 1,748,675,842.72
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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.