Finding the Fourth Proportional to 6,218,771,340.80, 9,328,157,011.20 and 1,623,341,964.80
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Solution
The fourth proportional to 6,218,771,340.80, 9,328,157,011.20 and 1,623,341,964.80 is: 2,435,012,947.20
Step by Step Solution
- Step 1: Write the proportion equation
6,218,771,340.80 : 9,328,157,011.20 = 1,623,341,964.80 : x - Step 2: Convert to fraction form
6,218,771,340.80/9,328,157,011.20 = 1,623,341,964.80/x - Step 3: Cross multiply
6,218,771,340.80x = 9,328,157,011.20 × 1,623,341,964.80 - Step 4: Simplify right side
6,218,771,340.80x = 15,142,788,730,524,305,408 - Step 5: Solve for x
x = 15,142,788,730,524,305,408/6,218,771,340.80 - Step 6: Final answer
x = 2,435,012,947.20
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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.