Finding the Fourth Proportional to 1,119,710,370.53, 1,679,502,777.75 and 343,353,899.94
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Solution
The fourth proportional to 1,119,710,370.53, 1,679,502,777.75 and 343,353,899.94 is: 515,011,599.32
Step by Step Solution
- Step 1: Write the proportion equation
1,119,710,370.53 : 1,679,502,777.75 = 343,353,899.94 : x - Step 2: Convert to fraction form
1,119,710,370.53/1,679,502,777.75 = 343,353,899.94/x - Step 3: Cross multiply
1,119,710,370.53x = 1,679,502,777.75 × 343,353,899.94 - Step 4: Simplify right side
1,119,710,370.53x = 576,663,828,700,525,568 - Step 5: Solve for x
x = 576,663,828,700,525,568/1,119,710,370.53 - Step 6: Final answer
x = 515,011,599.32
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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.