Finding the Fourth Proportional to 3,185,462,021.63, 4,778,208,145.28 and 974,668,208.95
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Solution
The fourth proportional to 3,185,462,021.63, 4,778,208,145.28 and 974,668,208.95 is: 1,462,006,937.56
Step by Step Solution
- Step 1: Write the proportion equation
3,185,462,021.63 : 4,778,208,145.28 = 974,668,208.95 : x - Step 2: Convert to fraction form
3,185,462,021.63/4,778,208,145.28 = 974,668,208.95/x - Step 3: Cross multiply
3,185,462,021.63x = 4,778,208,145.28 × 974,668,208.95 - Step 4: Simplify right side
3,185,462,021.63x = 4,657,167,574,958,818,304 - Step 5: Solve for x
x = 4,657,167,574,958,818,304/3,185,462,021.63 - Step 6: Final answer
x = 1,462,006,937.56
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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.