Home / 470,348,133.57-705,476,579.49-142,826,480.01

Finding the Fourth Proportional to 470,348,133.57, 705,476,579.49 and 142,826,480.01

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Solution

The fourth proportional to 470,348,133.57, 705,476,579.49 and 142,826,480.01 is: 214,225,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,133.57 : 705,476,579.49 = 142,826,480.01 : x
  2. Step 2: Convert to fraction form
    470,348,133.57/705,476,579.49 = 142,826,480.01/x
  3. Step 3: Cross multiply
    470,348,133.57x = 705,476,579.49 × 142,826,480.01
  4. Step 4: Simplify right side
    470,348,133.57x = 100,760,736,578,051,648
  5. Step 5: Solve for x
    x = 100,760,736,578,051,648/470,348,133.57
  6. Step 6: Final answer
    x = 214,225,866.73

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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.