Home / 702,141,004.21-968,952,167.14-404,781,828.57

Finding the Fourth Proportional to 702,141,004.21, 968,952,167.14 and 404,781,828.57

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Solution

The fourth proportional to 702,141,004.21, 968,952,167.14 and 404,781,828.57 is: 558,597,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,141,004.21 : 968,952,167.14 = 404,781,828.57 : x
  2. Step 2: Convert to fraction form
    702,141,004.21/968,952,167.14 = 404,781,828.57/x
  3. Step 3: Cross multiply
    702,141,004.21x = 968,952,167.14 × 404,781,828.57
  4. Step 4: Simplify right side
    702,141,004.21x = 392,214,230,011,793,472
  5. Step 5: Solve for x
    x = 392,214,230,011,793,472/702,141,004.21
  6. Step 6: Final answer
    x = 558,597,529.07

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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.