Finding the Fourth Proportional to 2,102,208,447.78, 3,153,626,168.40 and 774,134,294.58
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Solution
The fourth proportional to 2,102,208,447.78, 3,153,626,168.40 and 774,134,294.58 is: 1,161,316,886.45
Step by Step Solution
- Step 1: Write the proportion equation
2,102,208,447.78 : 3,153,626,168.40 = 774,134,294.58 : x - Step 2: Convert to fraction form
2,102,208,447.78/3,153,626,168.40 = 774,134,294.58/x - Step 3: Cross multiply
2,102,208,447.78x = 3,153,626,168.40 × 774,134,294.58 - Step 4: Simplify right side
2,102,208,447.78x = 2,441,330,169,243,362,304 - Step 5: Solve for x
x = 2,441,330,169,243,362,304/2,102,208,447.78 - Step 6: Final answer
x = 1,161,316,886.45
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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.