Finding the Fourth Proportional to 2,136,479,681.79, 2,941,489,631.48 and 1,665,977,249.79
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Solution
The fourth proportional to 2,136,479,681.79, 2,941,489,631.48 and 1,665,977,249.79 is: 2,293,705,317.35
Step by Step Solution
- Step 1: Write the proportion equation
2,136,479,681.79 : 2,941,489,631.48 = 1,665,977,249.79 : x - Step 2: Convert to fraction form
2,136,479,681.79/2,941,489,631.48 = 1,665,977,249.79/x - Step 3: Cross multiply
2,136,479,681.79x = 2,941,489,631.48 × 1,665,977,249.79 - Step 4: Simplify right side
2,136,479,681.79x = 4,900,454,806,530,521,088 - Step 5: Solve for x
x = 4,900,454,806,530,521,088/2,136,479,681.79 - Step 6: Final answer
x = 2,293,705,317.35
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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.