Finding the Fourth Proportional to 409,681,170.96, 565,411,661.07 and 268,670,977.98
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Solution
The fourth proportional to 409,681,170.96, 565,411,661.07 and 268,670,977.98 is: 370,799,818.76
Step by Step Solution
- Step 1: Write the proportion equation
409,681,170.96 : 565,411,661.07 = 268,670,977.98 : x - Step 2: Convert to fraction form
409,681,170.96/565,411,661.07 = 268,670,977.98/x - Step 3: Cross multiply
409,681,170.96x = 565,411,661.07 × 268,670,977.98 - Step 4: Simplify right side
409,681,170.96x = 151,909,703,940,973,216 - Step 5: Solve for x
x = 151,909,703,940,973,216/409,681,170.96 - Step 6: Final answer
x = 370,799,818.76
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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.