Home / 345,134,440.40-517,701,660.60-313,893,582.80

Finding the Fourth Proportional to 345,134,440.40, 517,701,660.60 and 313,893,582.80

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Solution

The fourth proportional to 345,134,440.40, 517,701,660.60 and 313,893,582.80 is: 470,840,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,134,440.40 : 517,701,660.60 = 313,893,582.80 : x
  2. Step 2: Convert to fraction form
    345,134,440.40/517,701,660.60 = 313,893,582.80/x
  3. Step 3: Cross multiply
    345,134,440.40x = 517,701,660.60 × 313,893,582.80
  4. Step 4: Simplify right side
    345,134,440.40x = 162,503,229,067,243,616
  5. Step 5: Solve for x
    x = 162,503,229,067,243,616/345,134,440.40
  6. Step 6: Final answer
    x = 470,840,374.20

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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.