Finding the Fourth Proportional to 556,674,354.74, 835,006,215.18 and 338,384,966.42
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Solution
The fourth proportional to 556,674,354.74, 835,006,215.18 and 338,384,966.42 is: 507,574,217.63
Step by Step Solution
- Step 1: Write the proportion equation
556,674,354.74 : 835,006,215.18 = 338,384,966.42 : x - Step 2: Convert to fraction form
556,674,354.74/835,006,215.18 = 338,384,966.42/x - Step 3: Cross multiply
556,674,354.74x = 835,006,215.18 × 338,384,966.42 - Step 4: Simplify right side
556,674,354.74x = 282,553,550,084,175,584 - Step 5: Solve for x
x = 282,553,550,084,175,584/556,674,354.74 - Step 6: Final answer
x = 507,574,217.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.