Finding the Fourth Proportional to 810,249,467.18, 1,118,139,873.44 and 453,017,175.26
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Solution
The fourth proportional to 810,249,467.18, 1,118,139,873.44 and 453,017,175.26 is: 625,161,246.66
Step by Step Solution
- Step 1: Write the proportion equation
810,249,467.18 : 1,118,139,873.44 = 453,017,175.26 : x - Step 2: Convert to fraction form
810,249,467.18/1,118,139,873.44 = 453,017,175.26/x - Step 3: Cross multiply
810,249,467.18x = 1,118,139,873.44 × 453,017,175.26 - Step 4: Simplify right side
810,249,467.18x = 506,536,567,003,506,880 - Step 5: Solve for x
x = 506,536,567,003,506,880/810,249,467.18 - Step 6: Final answer
x = 625,161,246.66
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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.