Finding the Fourth Proportional to 2,043,120,420.68, 3,064,680,671.62 and 490,411,742.34
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Solution
The fourth proportional to 2,043,120,420.68, 3,064,680,671.62 and 490,411,742.34 is: 735,617,623.26
Step by Step Solution
- Step 1: Write the proportion equation
2,043,120,420.68 : 3,064,680,671.62 = 490,411,742.34 : x - Step 2: Convert to fraction form
2,043,120,420.68/3,064,680,671.62 = 490,411,742.34/x - Step 3: Cross multiply
2,043,120,420.68x = 3,064,680,671.62 × 490,411,742.34 - Step 4: Simplify right side
2,043,120,420.68x = 1,502,955,387,884,885,504 - Step 5: Solve for x
x = 1,502,955,387,884,885,504/2,043,120,420.68 - Step 6: Final answer
x = 735,617,623.26
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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.