Finding the Fourth Proportional to 875,141,213.02, 1,207,432,685.88 and 503,853,698.14
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Solution
The fourth proportional to 875,141,213.02, 1,207,432,685.88 and 503,853,698.14 is: 695,167,151.29
Step by Step Solution
- Step 1: Write the proportion equation
875,141,213.02 : 1,207,432,685.88 = 503,853,698.14 : x - Step 2: Convert to fraction form
875,141,213.02/1,207,432,685.88 = 503,853,698.14/x - Step 3: Cross multiply
875,141,213.02x = 1,207,432,685.88 × 503,853,698.14 - Step 4: Simplify right side
875,141,213.02x = 608,369,424,035,751,040 - Step 5: Solve for x
x = 608,369,424,035,751,040/875,141,213.02 - Step 6: Final answer
x = 695,167,151.29
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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.