Finding the Fourth Proportional to 608,182,678,508.25, 839,292,927,464.85 and 330,085,246,249.20
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Solution
The fourth proportional to 608,182,678,508.25, 839,292,927,464.85 and 330,085,246,249.20 is: 455,518,090,908.09
Step by Step Solution
- Step 1: Write the proportion equation
608,182,678,508.25 : 839,292,927,464.85 = 330,085,246,249.20 : x - Step 2: Convert to fraction form
608,182,678,508.25/839,292,927,464.85 = 330,085,246,249.20/x - Step 3: Cross multiply
608,182,678,508.25x = 839,292,927,464.85 × 330,085,246,249.20 - Step 4: Simplify right side
608,182,678,508.25x = 277,038,212,637,446,960,578,560 - Step 5: Solve for x
x = 277,038,212,637,446,960,578,560/608,182,678,508.25 - Step 6: Final answer
x = 455,518,090,908.09
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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.