Finding the Fourth Proportional to 788,974,862.70, 1,183,462,294.05 and 329,242,968.30
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Solution
The fourth proportional to 788,974,862.70, 1,183,462,294.05 and 329,242,968.30 is: 493,864,452.45
Step by Step Solution
- Step 1: Write the proportion equation
788,974,862.70 : 1,183,462,294.05 = 329,242,968.30 : x - Step 2: Convert to fraction form
788,974,862.70/1,183,462,294.05 = 329,242,968.30/x - Step 3: Cross multiply
788,974,862.70x = 1,183,462,294.05 × 329,242,968.30 - Step 4: Simplify right side
788,974,862.70x = 389,646,638,564,149,440 - Step 5: Solve for x
x = 389,646,638,564,149,440/788,974,862.70 - Step 6: Final answer
x = 493,864,452.45
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Similar ratio
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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.