Finding the Fourth Proportional to 1,527,248,681.56, 2,107,543,851.66 and 933,527,257.84
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Solution
The fourth proportional to 1,527,248,681.56, 2,107,543,851.66 and 933,527,257.84 is: 1,288,231,351.17
Step by Step Solution
- Step 1: Write the proportion equation
1,527,248,681.56 : 2,107,543,851.66 = 933,527,257.84 : x - Step 2: Convert to fraction form
1,527,248,681.56/2,107,543,851.66 = 933,527,257.84/x - Step 3: Cross multiply
1,527,248,681.56x = 2,107,543,851.66 × 933,527,257.84 - Step 4: Simplify right side
1,527,248,681.56x = 1,967,449,632,617,711,616 - Step 5: Solve for x
x = 1,967,449,632,617,711,616/1,527,248,681.56 - Step 6: Final answer
x = 1,288,231,351.17
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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.