Finding the Fourth Proportional to 1,343,576,352.98, 1,854,143,971.85 and 748,898,542.55
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Solution
The fourth proportional to 1,343,576,352.98, 1,854,143,971.85 and 748,898,542.55 is: 1,033,484,784.92
Step by Step Solution
- Step 1: Write the proportion equation
1,343,576,352.98 : 1,854,143,971.85 = 748,898,542.55 : x - Step 2: Convert to fraction form
1,343,576,352.98/1,854,143,971.85 = 748,898,542.55/x - Step 3: Cross multiply
1,343,576,352.98x = 1,854,143,971.85 × 748,898,542.55 - Step 4: Simplify right side
1,343,576,352.98x = 1,388,565,718,183,318,016 - Step 5: Solve for x
x = 1,388,565,718,183,318,016/1,343,576,352.98 - Step 6: Final answer
x = 1,033,484,784.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.