Finding the Fourth Proportional to 1,304,566,875.09, 1,799,616,231.95 and 775,554,611.49
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Solution
The fourth proportional to 1,304,566,875.09, 1,799,616,231.95 and 775,554,611.49 is: 1,069,857,509.22
Step by Step Solution
- Step 1: Write the proportion equation
1,304,566,875.09 : 1,799,616,231.95 = 775,554,611.49 : x - Step 2: Convert to fraction form
1,304,566,875.09/1,799,616,231.95 = 775,554,611.49/x - Step 3: Cross multiply
1,304,566,875.09x = 1,799,616,231.95 × 775,554,611.49 - Step 4: Simplify right side
1,304,566,875.09x = 1,395,700,667,597,202,176 - Step 5: Solve for x
x = 1,395,700,667,597,202,176/1,304,566,875.09 - Step 6: Final answer
x = 1,069,857,509.22
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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.