Home / 470,957,833.72-706,543,071.54-155,823,116.68

Finding the Fourth Proportional to 470,957,833.72, 706,543,071.54 and 155,823,116.68

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Solution

The fourth proportional to 470,957,833.72, 706,543,071.54 and 155,823,116.68 is: 233,769,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,957,833.72 : 706,543,071.54 = 155,823,116.68 : x
  2. Step 2: Convert to fraction form
    470,957,833.72/706,543,071.54 = 155,823,116.68/x
  3. Step 3: Cross multiply
    470,957,833.72x = 706,543,071.54 × 155,823,116.68
  4. Step 4: Simplify right side
    470,957,833.72x = 110,095,743,476,023,008
  5. Step 5: Solve for x
    x = 110,095,743,476,023,008/470,957,833.72
  6. Step 6: Final answer
    x = 233,769,852.83

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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.