Home / 329,870,466.32-455,166,624.12-190,654,191.68

Finding the Fourth Proportional to 329,870,466.32, 455,166,624.12 and 190,654,191.68

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Solution

The fourth proportional to 329,870,466.32, 455,166,624.12 and 190,654,191.68 is: 263,071,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,870,466.32 : 455,166,624.12 = 190,654,191.68 : x
  2. Step 2: Convert to fraction form
    329,870,466.32/455,166,624.12 = 190,654,191.68/x
  3. Step 3: Cross multiply
    329,870,466.32x = 455,166,624.12 × 190,654,191.68
  4. Step 4: Simplify right side
    329,870,466.32x = 86,779,424,801,312,992
  5. Step 5: Solve for x
    x = 86,779,424,801,312,992/329,870,466.32
  6. Step 6: Final answer
    x = 263,071,216.32

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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.