Finding the Fourth Proportional to 2,043,120,398.58, 3,064,680,638.42 and 490,411,720.24
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Solution
The fourth proportional to 2,043,120,398.58, 3,064,680,638.42 and 490,411,720.24 is: 735,617,590.09
Step by Step Solution
- Step 1: Write the proportion equation
2,043,120,398.58 : 3,064,680,638.42 = 490,411,720.24 : x - Step 2: Convert to fraction form
2,043,120,398.58/3,064,680,638.42 = 490,411,720.24/x - Step 3: Cross multiply
2,043,120,398.58x = 3,064,680,638.42 × 490,411,720.24 - Step 4: Simplify right side
2,043,120,398.58x = 1,502,955,303,873,773,824 - Step 5: Solve for x
x = 1,502,955,303,873,773,824/2,043,120,398.58 - Step 6: Final answer
x = 735,617,590.09
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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.