Home / 664,356,905.40-996,535,358.10-626,093,153.40

Finding the Fourth Proportional to 664,356,905.40, 996,535,358.10 and 626,093,153.40

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Solution

The fourth proportional to 664,356,905.40, 996,535,358.10 and 626,093,153.40 is: 939,139,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356,905.40 : 996,535,358.10 = 626,093,153.40 : x
  2. Step 2: Convert to fraction form
    664,356,905.40/996,535,358.10 = 626,093,153.40/x
  3. Step 3: Cross multiply
    664,356,905.40x = 996,535,358.10 × 626,093,153.40
  4. Step 4: Simplify right side
    664,356,905.40x = 623,923,964,827,427,200
  5. Step 5: Solve for x
    x = 623,923,964,827,427,200/664,356,905.40
  6. Step 6: Final answer
    x = 939,139,730.10

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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.