Finding the Fourth Proportional to 555,486,981.21, 833,415,696.81 and 369,474,248.03
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Solution
The fourth proportional to 555,486,981.21, 833,415,696.81 and 369,474,248.03 is: 554,334,571.80
Step by Step Solution
- Step 1: Write the proportion equation
555,486,981.21 : 833,415,696.81 = 369,474,248.03 : x - Step 2: Convert to fraction form
555,486,981.21/833,415,696.81 = 369,474,248.03/x - Step 3: Cross multiply
555,486,981.21x = 833,415,696.81 × 369,474,248.03 - Step 4: Simplify right side
555,486,981.21x = 307,925,637,871,106,112 - Step 5: Solve for x
x = 307,925,637,871,106,112/555,486,981.21 - Step 6: Final answer
x = 554,334,571.80
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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.