Home / 654,134,254.72-981,084,880.16-260,628,101.92

Finding the Fourth Proportional to 654,134,254.72, 981,084,880.16 and 260,628,101.92

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Solution

The fourth proportional to 654,134,254.72, 981,084,880.16 and 260,628,101.92 is: 390,895,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,134,254.72 : 981,084,880.16 = 260,628,101.92 : x
  2. Step 2: Convert to fraction form
    654,134,254.72/981,084,880.16 = 260,628,101.92/x
  3. Step 3: Cross multiply
    654,134,254.72x = 981,084,880.16 × 260,628,101.92
  4. Step 4: Simplify right side
    654,134,254.72x = 255,698,290,138,511,456
  5. Step 5: Solve for x
    x = 255,698,290,138,511,456/654,134,254.72
  6. Step 6: Final answer
    x = 390,895,734.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.