Finding the Fourth Proportional to 2,656,111,545.20, 3,984,167,317.80 and 2,617,369,496.30
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Solution
The fourth proportional to 2,656,111,545.20, 3,984,167,317.80 and 2,617,369,496.30 is: 3,926,054,244.45
Step by Step Solution
- Step 1: Write the proportion equation
2,656,111,545.20 : 3,984,167,317.80 = 2,617,369,496.30 : x - Step 2: Convert to fraction form
2,656,111,545.20/3,984,167,317.80 = 2,617,369,496.30/x - Step 3: Cross multiply
2,656,111,545.20x = 3,984,167,317.80 × 2,617,369,496.30 - Step 4: Simplify right side
2,656,111,545.20x = 10,428,038,005,765,109,760 - Step 5: Solve for x
x = 10,428,038,005,765,109,760/2,656,111,545.20 - Step 6: Final answer
x = 3,926,054,244.45
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1.5x scale
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.