Finding the Fourth Proportional to 2,977,417,992.24, 4,466,612,125.20 and 879,106,510.20
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Solution
The fourth proportional to 2,977,417,992.24, 4,466,612,125.20 and 879,106,510.20 is: 1,318,803,005.84
Step by Step Solution
- Step 1: Write the proportion equation
2,977,417,992.24 : 4,466,612,125.20 = 879,106,510.20 : x - Step 2: Convert to fraction form
2,977,417,992.24/4,466,612,125.20 = 879,106,510.20/x - Step 3: Cross multiply
2,977,417,992.24x = 4,466,612,125.20 × 879,106,510.20 - Step 4: Simplify right side
2,977,417,992.24x = 3,926,627,797,801,577,472 - Step 5: Solve for x
x = 3,926,627,797,801,577,472/2,977,417,992.24 - Step 6: Final answer
x = 1,318,803,005.84
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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.