Finding the Fourth Proportional to 3,620,042,296.20, 5,430,063,444.30 and 1,967,048,209.80
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Solution
The fourth proportional to 3,620,042,296.20, 5,430,063,444.30 and 1,967,048,209.80 is: 2,950,572,314.70
Step by Step Solution
- Step 1: Write the proportion equation
3,620,042,296.20 : 5,430,063,444.30 = 1,967,048,209.80 : x - Step 2: Convert to fraction form
3,620,042,296.20/5,430,063,444.30 = 1,967,048,209.80/x - Step 3: Cross multiply
3,620,042,296.20x = 5,430,063,444.30 × 1,967,048,209.80 - Step 4: Simplify right side
3,620,042,296.20x = 10,681,196,577,210,736,640 - Step 5: Solve for x
x = 10,681,196,577,210,736,640/3,620,042,296.20 - Step 6: Final answer
x = 2,950,572,314.70
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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.