Finding the Fourth Proportional to 2,020,243,679.20, 3,030,365,518.80 and 1,330,929,272.80
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Solution
The fourth proportional to 2,020,243,679.20, 3,030,365,518.80 and 1,330,929,272.80 is: 1,996,393,909.20
Step by Step Solution
- Step 1: Write the proportion equation
2,020,243,679.20 : 3,030,365,518.80 = 1,330,929,272.80 : x - Step 2: Convert to fraction form
2,020,243,679.20/3,030,365,518.80 = 1,330,929,272.80/x - Step 3: Cross multiply
2,020,243,679.20x = 3,030,365,518.80 × 1,330,929,272.80 - Step 4: Simplify right side
2,020,243,679.20x = 4,033,202,176,254,679,040 - Step 5: Solve for x
x = 4,033,202,176,254,679,040/2,020,243,679.20 - Step 6: Final answer
x = 1,996,393,909.20
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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.