Home / 290,606,870,031.08-436,132,796,807.10-131,541,674,853.79

Finding the Fourth Proportional to 290,606,870,031.08, 436,132,796,807.10 and 131,541,674,853.79

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Solution

The fourth proportional to 290,606,870,031.08, 436,132,796,807.10 and 131,541,674,853.79 is: 197,413,222,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,606,870,031.08 : 436,132,796,807.10 = 131,541,674,853.79 : x
  2. Step 2: Convert to fraction form
    290,606,870,031.08/436,132,796,807.10 = 131,541,674,853.79/x
  3. Step 3: Cross multiply
    290,606,870,031.08x = 436,132,796,807.10 × 131,541,674,853.79
  4. Step 4: Simplify right side
    290,606,870,031.08x = 57,369,638,550,673,603,690,496
  5. Step 5: Solve for x
    x = 57,369,638,550,673,603,690,496/290,606,870,031.08
  6. Step 6: Final answer
    x = 197,413,222,008.61

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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.