Finding the Fourth Proportional to 3,977,856,639.30, 5,965,143,303.63 and 1,357,871,774.03
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Solution
The fourth proportional to 3,977,856,639.30, 5,965,143,303.63 and 1,357,871,774.03 is: 2,036,247,269.44
Step by Step Solution
- Step 1: Write the proportion equation
3,977,856,639.30 : 5,965,143,303.63 = 1,357,871,774.03 : x - Step 2: Convert to fraction form
3,977,856,639.30/5,965,143,303.63 = 1,357,871,774.03/x - Step 3: Cross multiply
3,977,856,639.30x = 5,965,143,303.63 × 1,357,871,774.03 - Step 4: Simplify right side
3,977,856,639.30x = 8,099,899,720,013,418,496 - Step 5: Solve for x
x = 8,099,899,720,013,418,496/3,977,856,639.30 - Step 6: Final answer
x = 2,036,247,269.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.