Finding the Fourth Proportional to 479,493,035.84, 661,700,386.08 and 259,476,461.12
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Solution
The fourth proportional to 479,493,035.84, 661,700,386.08 and 259,476,461.12 is: 358,077,514.52
Step by Step Solution
- Step 1: Write the proportion equation
479,493,035.84 : 661,700,386.08 = 259,476,461.12 : x - Step 2: Convert to fraction form
479,493,035.84/661,700,386.08 = 259,476,461.12/x - Step 3: Cross multiply
479,493,035.84x = 661,700,386.08 × 259,476,461.12 - Step 4: Simplify right side
479,493,035.84x = 171,695,674,501,776,128 - Step 5: Solve for x
x = 171,695,674,501,776,128/479,493,035.84 - Step 6: Final answer
x = 358,077,514.52
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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.