Finding the Fourth Proportional to 2,613,773,598.80, 3,920,660,398.20 and 2,021,960,901.20
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Solution
The fourth proportional to 2,613,773,598.80, 3,920,660,398.20 and 2,021,960,901.20 is: 3,032,941,351.80
Step by Step Solution
- Step 1: Write the proportion equation
2,613,773,598.80 : 3,920,660,398.20 = 2,021,960,901.20 : x - Step 2: Convert to fraction form
2,613,773,598.80/3,920,660,398.20 = 2,021,960,901.20/x - Step 3: Cross multiply
2,613,773,598.80x = 3,920,660,398.20 × 2,021,960,901.20 - Step 4: Simplify right side
2,613,773,598.80x = 7,927,422,032,043,622,400 - Step 5: Solve for x
x = 7,927,422,032,043,622,400/2,613,773,598.80 - Step 6: Final answer
x = 3,032,941,351.80
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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.