Home / 346,520,890.66-478,222,290.98-195,761,258.28

Finding the Fourth Proportional to 346,520,890.66, 478,222,290.98 and 195,761,258.28

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Solution

The fourth proportional to 346,520,890.66, 478,222,290.98 and 195,761,258.28 is: 270,163,790.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,520,890.66 : 478,222,290.98 = 195,761,258.28 : x
  2. Step 2: Convert to fraction form
    346,520,890.66/478,222,290.98 = 195,761,258.28/x
  3. Step 3: Cross multiply
    346,520,890.66x = 478,222,290.98 × 195,761,258.28
  4. Step 4: Simplify right side
    346,520,890.66x = 93,617,397,419,789,104
  5. Step 5: Solve for x
    x = 93,617,397,419,789,104/346,520,890.66
  6. Step 6: Final answer
    x = 270,163,790.82

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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.