Finding the Fourth Proportional to 1,539,653,381.70, 2,309,480,072.55 and 927,433,349.70
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Solution
The fourth proportional to 1,539,653,381.70, 2,309,480,072.55 and 927,433,349.70 is: 1,391,150,024.55
Step by Step Solution
- Step 1: Write the proportion equation
1,539,653,381.70 : 2,309,480,072.55 = 927,433,349.70 : x - Step 2: Convert to fraction form
1,539,653,381.70/2,309,480,072.55 = 927,433,349.70/x - Step 3: Cross multiply
1,539,653,381.70x = 2,309,480,072.55 × 927,433,349.70 - Step 4: Simplify right side
1,539,653,381.70x = 2,141,888,839,750,445,824 - Step 5: Solve for x
x = 2,141,888,839,750,445,824/1,539,653,381.70 - Step 6: Final answer
x = 1,391,150,024.55
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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.