Finding the Fourth Proportional to 469,221,596.16, 647,508,844.80 and 260,386,851.84
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Solution
The fourth proportional to 469,221,596.16, 647,508,844.80 and 260,386,851.84 is: 359,324,445.03
Step by Step Solution
- Step 1: Write the proportion equation
469,221,596.16 : 647,508,844.80 = 260,386,851.84 : x - Step 2: Convert to fraction form
469,221,596.16/647,508,844.80 = 260,386,851.84/x - Step 3: Cross multiply
469,221,596.16x = 647,508,844.80 × 260,386,851.84 - Step 4: Simplify right side
469,221,596.16x = 168,602,789,636,027,136 - Step 5: Solve for x
x = 168,602,789,636,027,136/469,221,596.16 - Step 6: Final answer
x = 359,324,445.03
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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.