Finding the Fourth Proportional to 1,505,484,871.96, 2,257,451,928.96 and 675,727,183.98
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Solution
The fourth proportional to 1,505,484,871.96, 2,257,451,928.96 and 675,727,183.98 is: 1,013,242,752.11
Step by Step Solution
- Step 1: Write the proportion equation
1,505,484,871.96 : 2,257,451,928.96 = 675,727,183.98 : x - Step 2: Convert to fraction form
1,505,484,871.96/2,257,451,928.96 = 675,727,183.98/x - Step 3: Cross multiply
1,505,484,871.96x = 2,257,451,928.96 × 675,727,183.98 - Step 4: Simplify right side
1,505,484,871.96x = 1,525,421,634,926,359,808 - Step 5: Solve for x
x = 1,525,421,634,926,359,808/1,505,484,871.96 - Step 6: Final answer
x = 1,013,242,752.11
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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.