Finding the Fourth Proportional to 1,466,427,502.20, 2,199,641,253.30 and 1,277,021,929.80
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Solution
The fourth proportional to 1,466,427,502.20, 2,199,641,253.30 and 1,277,021,929.80 is: 1,915,532,894.70
Step by Step Solution
- Step 1: Write the proportion equation
1,466,427,502.20 : 2,199,641,253.30 = 1,277,021,929.80 : x - Step 2: Convert to fraction form
1,466,427,502.20/2,199,641,253.30 = 1,277,021,929.80/x - Step 3: Cross multiply
1,466,427,502.20x = 2,199,641,253.30 × 1,277,021,929.80 - Step 4: Simplify right side
1,466,427,502.20x = 2,808,990,118,156,856,832 - Step 5: Solve for x
x = 2,808,990,118,156,856,832/1,466,427,502.20 - Step 6: Final answer
x = 1,915,532,894.70
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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.