Home / 329,870,506.32-455,166,679.32-190,654,231.92

Finding the Fourth Proportional to 329,870,506.32, 455,166,679.32 and 190,654,231.92

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Solution

The fourth proportional to 329,870,506.32, 455,166,679.32 and 190,654,231.92 is: 263,071,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,870,506.32 : 455,166,679.32 = 190,654,231.92 : x
  2. Step 2: Convert to fraction form
    329,870,506.32/455,166,679.32 = 190,654,231.92/x
  3. Step 3: Cross multiply
    329,870,506.32x = 455,166,679.32 × 190,654,231.92
  4. Step 4: Simplify right side
    329,870,506.32x = 86,779,453,641,331,536
  5. Step 5: Solve for x
    x = 86,779,453,641,331,536/329,870,506.32
  6. Step 6: Final answer
    x = 263,071,271.84

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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.