Finding the Fourth Proportional to 1,319,055,364.30, 1,978,646,676.36 and 433,721,122.48
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Solution
The fourth proportional to 1,319,055,364.30, 1,978,646,676.36 and 433,721,122.48 is: 650,602,605.99
Step by Step Solution
- Step 1: Write the proportion equation
1,319,055,364.30 : 1,978,646,676.36 = 433,721,122.48 : x - Step 2: Convert to fraction form
1,319,055,364.30/1,978,646,676.36 = 433,721,122.48/x - Step 3: Cross multiply
1,319,055,364.30x = 1,978,646,676.36 × 433,721,122.48 - Step 4: Simplify right side
1,319,055,364.30x = 858,180,857,462,180,480 - Step 5: Solve for x
x = 858,180,857,462,180,480/1,319,055,364.30 - Step 6: Final answer
x = 650,602,605.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.