Home / 413,664,493.40-570,852,353.22-225,488,667.21

Finding the Fourth Proportional to 413,664,493.40, 570,852,353.22 and 225,488,667.21

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Solution

The fourth proportional to 413,664,493.40, 570,852,353.22 and 225,488,667.21 is: 311,171,827.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,664,493.40 : 570,852,353.22 = 225,488,667.21 : x
  2. Step 2: Convert to fraction form
    413,664,493.40/570,852,353.22 = 225,488,667.21/x
  3. Step 3: Cross multiply
    413,664,493.40x = 570,852,353.22 × 225,488,667.21
  4. Step 4: Simplify right side
    413,664,493.40x = 128,720,736,298,283,664
  5. Step 5: Solve for x
    x = 128,720,736,298,283,664/413,664,493.40
  6. Step 6: Final answer
    x = 311,171,827.29

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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.