Finding the Fourth Proportional to 8,273,658,211.20, 12,417,255,547.20 and 8,209,160,956.80
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Solution
The fourth proportional to 8,273,658,211.20, 12,417,255,547.20 and 8,209,160,956.80 is: 12,320,456,903.90
Step by Step Solution
- Step 1: Write the proportion equation
8,273,658,211.20 : 12,417,255,547.20 = 8,209,160,956.80 : x - Step 2: Convert to fraction form
8,273,658,211.20/12,417,255,547.20 = 8,209,160,956.80/x - Step 3: Cross multiply
8,273,658,211.20x = 12,417,255,547.20 × 8,209,160,956.80 - Step 4: Simplify right side
8,273,658,211.20x = 101,935,249,428,682,473,472 - Step 5: Solve for x
x = 101,935,249,428,682,473,472/8,273,658,211.20 - Step 6: Final answer
x = 12,320,456,903.90
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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.