Finding the Fourth Proportional to 1,303,749,374.70, 1,955,624,062.05 and 997,639,358.70
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Solution
The fourth proportional to 1,303,749,374.70, 1,955,624,062.05 and 997,639,358.70 is: 1,496,459,038.05
Step by Step Solution
- Step 1: Write the proportion equation
1,303,749,374.70 : 1,955,624,062.05 = 997,639,358.70 : x - Step 2: Convert to fraction form
1,303,749,374.70/1,955,624,062.05 = 997,639,358.70/x - Step 3: Cross multiply
1,303,749,374.70x = 1,955,624,062.05 × 997,639,358.70 - Step 4: Simplify right side
1,303,749,374.70x = 1,951,007,535,121,851,136 - Step 5: Solve for x
x = 1,951,007,535,121,851,136/1,303,749,374.70 - Step 6: Final answer
x = 1,496,459,038.05
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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.