Finding the Fourth Proportional to 1,559,859,720.48, 2,339,789,438.67 and 686,461,088.55
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Solution
The fourth proportional to 1,559,859,720.48, 2,339,789,438.67 and 686,461,088.55 is: 1,029,691,570.31
Step by Step Solution
- Step 1: Write the proportion equation
1,559,859,720.48 : 2,339,789,438.67 = 686,461,088.55 : x - Step 2: Convert to fraction form
1,559,859,720.48/2,339,789,438.67 = 686,461,088.55/x - Step 3: Cross multiply
1,559,859,720.48x = 2,339,789,438.67 × 686,461,088.55 - Step 4: Simplify right side
1,559,859,720.48x = 1,606,174,405,047,201,536 - Step 5: Solve for x
x = 1,606,174,405,047,201,536/1,559,859,720.48 - Step 6: Final answer
x = 1,029,691,570.31
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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.