Home / 470,505,956.70-705,758,935.05-163,696,100.70

Finding the Fourth Proportional to 470,505,956.70, 705,758,935.05 and 163,696,100.70

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Solution

The fourth proportional to 470,505,956.70, 705,758,935.05 and 163,696,100.70 is: 245,544,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,505,956.70 : 705,758,935.05 = 163,696,100.70 : x
  2. Step 2: Convert to fraction form
    470,505,956.70/705,758,935.05 = 163,696,100.70/x
  3. Step 3: Cross multiply
    470,505,956.70x = 705,758,935.05 × 163,696,100.70
  4. Step 4: Simplify right side
    470,505,956.70x = 115,529,985,701,869,536
  5. Step 5: Solve for x
    x = 115,529,985,701,869,536/470,505,956.70
  6. Step 6: Final answer
    x = 245,544,151.05

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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.