Finding the Fourth Proportional to 608,214,966.24, 839,354,355.84 and 343,891,281.28
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Solution
The fourth proportional to 608,214,966.24, 839,354,355.84 and 343,891,281.28 is: 474,579,977.31
Step by Step Solution
- Step 1: Write the proportion equation
608,214,966.24 : 839,354,355.84 = 343,891,281.28 : x - Step 2: Convert to fraction form
608,214,966.24/839,354,355.84 = 343,891,281.28/x - Step 3: Cross multiply
608,214,966.24x = 839,354,355.84 × 343,891,281.28 - Step 4: Simplify right side
608,214,966.24x = 288,646,644,877,766,656 - Step 5: Solve for x
x = 288,646,644,877,766,656/608,214,966.24 - Step 6: Final answer
x = 474,579,977.31
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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.