Home / 252,223,810.40-378,335,715.60-201,205,474.40

Finding the Fourth Proportional to 252,223,810.40, 378,335,715.60 and 201,205,474.40

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Solution

The fourth proportional to 252,223,810.40, 378,335,715.60 and 201,205,474.40 is: 301,808,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,223,810.40 : 378,335,715.60 = 201,205,474.40 : x
  2. Step 2: Convert to fraction form
    252,223,810.40/378,335,715.60 = 201,205,474.40/x
  3. Step 3: Cross multiply
    252,223,810.40x = 378,335,715.60 × 201,205,474.40
  4. Step 4: Simplify right side
    252,223,810.40x = 76,123,217,139,761,488
  5. Step 5: Solve for x
    x = 76,123,217,139,761,488/252,223,810.40
  6. Step 6: Final answer
    x = 301,808,211.60

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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.