Finding the Fourth Proportional to 403,042,489.84, 556,370,256.09 and 270,960,089.32
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Solution
The fourth proportional to 403,042,489.84, 556,370,256.09 and 270,960,089.32 is: 374,040,301.17
Step by Step Solution
- Step 1: Write the proportion equation
403,042,489.84 : 556,370,256.09 = 270,960,089.32 : x - Step 2: Convert to fraction form
403,042,489.84/556,370,256.09 = 270,960,089.32/x - Step 3: Cross multiply
403,042,489.84x = 556,370,256.09 × 270,960,089.32 - Step 4: Simplify right side
403,042,489.84x = 150,754,134,285,137,664 - Step 5: Solve for x
x = 150,754,134,285,137,664/403,042,489.84 - Step 6: Final answer
x = 374,040,301.17
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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.