Home / 664,356,917.40-996,535,376.10-626,093,165.40

Finding the Fourth Proportional to 664,356,917.40, 996,535,376.10 and 626,093,165.40

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Solution

The fourth proportional to 664,356,917.40, 996,535,376.10 and 626,093,165.40 is: 939,139,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356,917.40 : 996,535,376.10 = 626,093,165.40 : x
  2. Step 2: Convert to fraction form
    664,356,917.40/996,535,376.10 = 626,093,165.40/x
  3. Step 3: Cross multiply
    664,356,917.40x = 996,535,376.10 × 626,093,165.40
  4. Step 4: Simplify right side
    664,356,917.40x = 623,923,988,055,528,448
  5. Step 5: Solve for x
    x = 623,923,988,055,528,448/664,356,917.40
  6. Step 6: Final answer
    x = 939,139,748.10

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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.