Home / 1,105,237,151.10-1,525,361,013.81-629,043,299.68

Finding the Fourth Proportional to 1,105,237,151.10, 1,525,361,013.81 and 629,043,299.68

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Solution

The fourth proportional to 1,105,237,151.10, 1,525,361,013.81 and 629,043,299.68 is: 868,155,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,237,151.10 : 1,525,361,013.81 = 629,043,299.68 : x
  2. Step 2: Convert to fraction form
    1,105,237,151.10/1,525,361,013.81 = 629,043,299.68/x
  3. Step 3: Cross multiply
    1,105,237,151.10x = 1,525,361,013.81 × 629,043,299.68
  4. Step 4: Simplify right side
    1,105,237,151.10x = 959,518,125,330,272,384
  5. Step 5: Solve for x
    x = 959,518,125,330,272,384/1,105,237,151.10
  6. Step 6: Final answer
    x = 868,155,874.40

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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.