Home / 500,074,338.08-750,139,850.64-155,077,012.64

Finding the Fourth Proportional to 500,074,338.08, 750,139,850.64 and 155,077,012.64

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Solution

The fourth proportional to 500,074,338.08, 750,139,850.64 and 155,077,012.64 is: 232,624,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,074,338.08 : 750,139,850.64 = 155,077,012.64 : x
  2. Step 2: Convert to fraction form
    500,074,338.08/750,139,850.64 = 155,077,012.64/x
  3. Step 3: Cross multiply
    500,074,338.08x = 750,139,850.64 × 155,077,012.64
  4. Step 4: Simplify right side
    500,074,338.08x = 116,329,447,094,940,896
  5. Step 5: Solve for x
    x = 116,329,447,094,940,896/500,074,338.08
  6. Step 6: Final answer
    x = 232,624,308.50

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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.