Finding the Fourth Proportional to 70,769,776,935.62, 106,154,666,639.63 and 16,986,912,526.68
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Solution
The fourth proportional to 70,769,776,935.62, 106,154,666,639.63 and 16,986,912,526.68 is: 25,480,369,086.75
Step by Step Solution
- Step 1: Write the proportion equation
70,769,776,935.62 : 106,154,666,639.63 = 16,986,912,526.68 : x - Step 2: Convert to fraction form
70,769,776,935.62/106,154,666,639.63 = 16,986,912,526.68/x - Step 3: Cross multiply
70,769,776,935.62x = 106,154,666,639.63 × 16,986,912,526.68 - Step 4: Simplify right side
70,769,776,935.62x = 1,803,240,036,506,270,433,280 - Step 5: Solve for x
x = 1,803,240,036,506,270,433,280/70,769,776,935.62 - Step 6: Final answer
x = 25,480,369,086.75
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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.