Home / 425,306,521.60-637,959,782.40-231,814,758.40

Finding the Fourth Proportional to 425,306,521.60, 637,959,782.40 and 231,814,758.40

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Solution

The fourth proportional to 425,306,521.60, 637,959,782.40 and 231,814,758.40 is: 347,722,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,306,521.60 : 637,959,782.40 = 231,814,758.40 : x
  2. Step 2: Convert to fraction form
    425,306,521.60/637,959,782.40 = 231,814,758.40/x
  3. Step 3: Cross multiply
    425,306,521.60x = 637,959,782.40 × 231,814,758.40
  4. Step 4: Simplify right side
    425,306,521.60x = 147,888,492,825,972,576
  5. Step 5: Solve for x
    x = 147,888,492,825,972,576/425,306,521.60
  6. Step 6: Final answer
    x = 347,722,137.60

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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.