Finding the Fourth Proportional to 1,437,247,861.29, 2,156,631,351.95 and 1,019,767,266.53
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Solution
The fourth proportional to 1,437,247,861.29, 2,156,631,351.95 and 1,019,767,266.53 is: 1,530,189,828.72
Step by Step Solution
- Step 1: Write the proportion equation
1,437,247,861.29 : 2,156,631,351.95 = 1,019,767,266.53 : x - Step 2: Convert to fraction form
1,437,247,861.29/2,156,631,351.95 = 1,019,767,266.53/x - Step 3: Cross multiply
1,437,247,861.29x = 2,156,631,351.95 × 1,019,767,266.53 - Step 4: Simplify right side
1,437,247,861.29x = 2,199,262,058,690,695,424 - Step 5: Solve for x
x = 2,199,262,058,690,695,424/1,437,247,861.29 - Step 6: Final answer
x = 1,530,189,828.72
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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.