Finding the Fourth Proportional to 1,414,779,715.09, 2,119,449,674.17 and 791,103,337.49
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Solution
The fourth proportional to 1,414,779,715.09, 2,119,449,674.17 and 791,103,337.49 is: 1,185,134,118.76
Step by Step Solution
- Step 1: Write the proportion equation
1,414,779,715.09 : 2,119,449,674.17 = 791,103,337.49 : x - Step 2: Convert to fraction form
1,414,779,715.09/2,119,449,674.17 = 791,103,337.49/x - Step 3: Cross multiply
1,414,779,715.09x = 2,119,449,674.17 × 791,103,337.49 - Step 4: Simplify right side
1,414,779,715.09x = 1,676,703,710,877,980,160 - Step 5: Solve for x
x = 1,676,703,710,877,980,160/1,414,779,715.09 - Step 6: Final answer
x = 1,185,134,118.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.