Finding the Fourth Proportional to 1,138,093,089.51, 1,569,698,873.99 and 979,588,670.73
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Solution
The fourth proportional to 1,138,093,089.51, 1,569,698,873.99 and 979,588,670.73 is: 1,351,083,885.49
Step by Step Solution
- Step 1: Write the proportion equation
1,138,093,089.51 : 1,569,698,873.99 = 979,588,670.73 : x - Step 2: Convert to fraction form
1,138,093,089.51/1,569,698,873.99 = 979,588,670.73/x - Step 3: Cross multiply
1,138,093,089.51x = 1,569,698,873.99 × 979,588,670.73 - Step 4: Simplify right side
1,138,093,089.51x = 1,537,659,233,420,690,944 - Step 5: Solve for x
x = 1,537,659,233,420,690,944/1,138,093,089.51 - Step 6: Final answer
x = 1,351,083,885.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.