Home / 474,470,824.80-711,706,237.20-290,804,815.20

Finding the Fourth Proportional to 474,470,824.80, 711,706,237.20 and 290,804,815.20

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Solution

The fourth proportional to 474,470,824.80, 711,706,237.20 and 290,804,815.20 is: 436,207,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,470,824.80 : 711,706,237.20 = 290,804,815.20 : x
  2. Step 2: Convert to fraction form
    474,470,824.80/711,706,237.20 = 290,804,815.20/x
  3. Step 3: Cross multiply
    474,470,824.80x = 711,706,237.20 × 290,804,815.20
  4. Step 4: Simplify right side
    474,470,824.80x = 206,967,600,785,633,376
  5. Step 5: Solve for x
    x = 206,967,600,785,633,376/474,470,824.80
  6. Step 6: Final answer
    x = 436,207,222.80

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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.