Home / 361,169,866.33-498,416,966.45-196,157,435.83

Finding the Fourth Proportional to 361,169,866.33, 498,416,966.45 and 196,157,435.83

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Solution

The fourth proportional to 361,169,866.33, 498,416,966.45 and 196,157,435.83 is: 270,698,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,866.33 : 498,416,966.45 = 196,157,435.83 : x
  2. Step 2: Convert to fraction form
    361,169,866.33/498,416,966.45 = 196,157,435.83/x
  3. Step 3: Cross multiply
    361,169,866.33x = 498,416,966.45 × 196,157,435.83
  4. Step 4: Simplify right side
    361,169,866.33x = 97,768,194,112,243,472
  5. Step 5: Solve for x
    x = 97,768,194,112,243,472/361,169,866.33
  6. Step 6: Final answer
    x = 270,698,646.89

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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.