Home / 999,758,651.68-1,379,561,906.64-553,710,329.92

Finding the Fourth Proportional to 999,758,651.68, 1,379,561,906.64 and 553,710,329.92

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Solution

The fourth proportional to 999,758,651.68, 1,379,561,906.64 and 553,710,329.92 is: 764,062,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,758,651.68 : 1,379,561,906.64 = 553,710,329.92 : x
  2. Step 2: Convert to fraction form
    999,758,651.68/1,379,561,906.64 = 553,710,329.92/x
  3. Step 3: Cross multiply
    999,758,651.68x = 1,379,561,906.64 × 553,710,329.92
  4. Step 4: Simplify right side
    999,758,651.68x = 763,877,678,470,698,624
  5. Step 5: Solve for x
    x = 763,877,678,470,698,624/999,758,651.68
  6. Step 6: Final answer
    x = 764,062,083.57

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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.