Home / 346,520,858.38-478,222,246.43-195,761,226

Finding the Fourth Proportional to 346,520,858.38, 478,222,246.43 and 195,761,226

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Solution

The fourth proportional to 346,520,858.38, 478,222,246.43 and 195,761,226 is: 270,163,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520,858.38 : 478,222,246.43 = 195,761,226 : x
  2. Step 2: Convert to fraction form
    346,520,858.38/478,222,246.43 = 195,761,226/x
  3. Step 3: Cross multiply
    346,520,858.38x = 478,222,246.43 × 195,761,226
  4. Step 4: Simplify right side
    346,520,858.38x = 93,617,373,261,610,928
  5. Step 5: Solve for x
    x = 93,617,373,261,610,928/346,520,858.38
  6. Step 6: Final answer
    x = 270,163,746.27

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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.