Home / 470,272,625.51-704,942,991.01-220,831,358.48

Finding the Fourth Proportional to 470,272,625.51, 704,942,991.01 and 220,831,358.48

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Solution

The fourth proportional to 470,272,625.51, 704,942,991.01 and 220,831,358.48 is: 331,028,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,272,625.51 : 704,942,991.01 = 220,831,358.48 : x
  2. Step 2: Convert to fraction form
    470,272,625.51/704,942,991.01 = 220,831,358.48/x
  3. Step 3: Cross multiply
    470,272,625.51x = 704,942,991.01 × 220,831,358.48
  4. Step 4: Simplify right side
    470,272,625.51x = 155,673,518,355,176,256
  5. Step 5: Solve for x
    x = 155,673,518,355,176,256/470,272,625.51
  6. Step 6: Final answer
    x = 331,028,237.47

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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.