Home / 470,348,135.57-705,476,582.49-142,826,482.01

Finding the Fourth Proportional to 470,348,135.57, 705,476,582.49 and 142,826,482.01

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Solution

The fourth proportional to 470,348,135.57, 705,476,582.49 and 142,826,482.01 is: 214,225,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,135.57 : 705,476,582.49 = 142,826,482.01 : x
  2. Step 2: Convert to fraction form
    470,348,135.57/705,476,582.49 = 142,826,482.01/x
  3. Step 3: Cross multiply
    470,348,135.57x = 705,476,582.49 × 142,826,482.01
  4. Step 4: Simplify right side
    470,348,135.57x = 100,760,738,417,484,256
  5. Step 5: Solve for x
    x = 100,760,738,417,484,256/470,348,135.57
  6. Step 6: Final answer
    x = 214,225,869.73

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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.