Home / 361,169,866.08-498,416,966.10-196,157,435.58

Finding the Fourth Proportional to 361,169,866.08, 498,416,966.10 and 196,157,435.58

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Solution

The fourth proportional to 361,169,866.08, 498,416,966.10 and 196,157,435.58 is: 270,698,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,169,866.08 : 498,416,966.10 = 196,157,435.58 : x
  2. Step 2: Convert to fraction form
    361,169,866.08/498,416,966.10 = 196,157,435.58/x
  3. Step 3: Cross multiply
    361,169,866.08x = 498,416,966.10 × 196,157,435.58
  4. Step 4: Simplify right side
    361,169,866.08x = 97,768,193,919,739,808
  5. Step 5: Solve for x
    x = 97,768,193,919,739,808/361,169,866.08
  6. Step 6: Final answer
    x = 270,698,646.54

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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.