Home / 1,320,952,508,580.60-1,981,713,958,937.40-402,093,700,767.15

Finding the Fourth Proportional to 1,320,952,508,580.60, 1,981,713,958,937.40 and 402,093,700,767.15

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Solution

The fourth proportional to 1,320,952,508,580.60, 1,981,713,958,937.40 and 402,093,700,767.15 is: 603,227,363,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,952,508,580.60 : 1,981,713,958,937.40 = 402,093,700,767.15 : x
  2. Step 2: Convert to fraction form
    1,320,952,508,580.60/1,981,713,958,937.40 = 402,093,700,767.15/x
  3. Step 3: Cross multiply
    1,320,952,508,580.60x = 1,981,713,958,937.40 × 402,093,700,767.15
  4. Step 4: Simplify right side
    1,320,952,508,580.60x = 796,834,699,611,059,102,154,752
  5. Step 5: Solve for x
    x = 796,834,699,611,059,102,154,752/1,320,952,508,580.60
  6. Step 6: Final answer
    x = 603,227,363,917.33

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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.