Home / 1,085,498,416.62-1,624,138,709.58-643,078,549.89

Finding the Fourth Proportional to 1,085,498,416.62, 1,624,138,709.58 and 643,078,549.89

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Solution

The fourth proportional to 1,085,498,416.62, 1,624,138,709.58 and 643,078,549.89 is: 962,183,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,498,416.62 : 1,624,138,709.58 = 643,078,549.89 : x
  2. Step 2: Convert to fraction form
    1,085,498,416.62/1,624,138,709.58 = 643,078,549.89/x
  3. Step 3: Cross multiply
    1,085,498,416.62x = 1,624,138,709.58 × 643,078,549.89
  4. Step 4: Simplify right side
    1,085,498,416.62x = 1,044,448,766,176,922,240
  5. Step 5: Solve for x
    x = 1,044,448,766,176,922,240/1,085,498,416.62
  6. Step 6: Final answer
    x = 962,183,592.52

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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.