Finding the Fourth Proportional to 367,452,421.72, 506,743,727.44 and 268,175,918.68
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Solution
The fourth proportional to 367,452,421.72, 506,743,727.44 and 268,175,918.68 is: 369,834,178.82
Step by Step Solution
- Step 1: Write the proportion equation
367,452,421.72 : 506,743,727.44 = 268,175,918.68 : x - Step 2: Convert to fraction form
367,452,421.72/506,743,727.44 = 268,175,918.68/x - Step 3: Cross multiply
367,452,421.72x = 506,743,727.44 × 268,175,918.68 - Step 4: Simplify right side
367,452,421.72x = 135,896,464,639,612,224 - Step 5: Solve for x
x = 135,896,464,639,612,224/367,452,421.72 - Step 6: Final answer
x = 369,834,178.82
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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.