Finding the Fourth Proportional to 1,885,996,880.97, 2,602,558,425.90 and 1,039,176,814.49
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Solution
The fourth proportional to 1,885,996,880.97, 2,602,558,425.90 and 1,039,176,814.49 is: 1,433,999,388.78
Step by Step Solution
- Step 1: Write the proportion equation
1,885,996,880.97 : 2,602,558,425.90 = 1,039,176,814.49 : x - Step 2: Convert to fraction form
1,885,996,880.97/2,602,558,425.90 = 1,039,176,814.49/x - Step 3: Cross multiply
1,885,996,880.97x = 2,602,558,425.90 × 1,039,176,814.49 - Step 4: Simplify right side
1,885,996,880.97x = 2,704,518,374,550,871,040 - Step 5: Solve for x
x = 2,704,518,374,550,871,040/1,885,996,880.97 - Step 6: Final answer
x = 1,433,999,388.78
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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.