Home / 470,383,897.74-705,424,791.89-155,179,071.72

Finding the Fourth Proportional to 470,383,897.74, 705,424,791.89 and 155,179,071.72

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Solution

The fourth proportional to 470,383,897.74, 705,424,791.89 and 155,179,071.72 is: 232,718,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,383,897.74 : 705,424,791.89 = 155,179,071.72 : x
  2. Step 2: Convert to fraction form
    470,383,897.74/705,424,791.89 = 155,179,071.72/x
  3. Step 3: Cross multiply
    470,383,897.74x = 705,424,791.89 × 155,179,071.72
  4. Step 4: Simplify right side
    470,383,897.74x = 109,467,164,374,057,632
  5. Step 5: Solve for x
    x = 109,467,164,374,057,632/470,383,897.74
  6. Step 6: Final answer
    x = 232,718,774.81

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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.