Home / 470,009,039.13-648,599,574.35-261,159,812.01

Finding the Fourth Proportional to 470,009,039.13, 648,599,574.35 and 261,159,812.01

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Solution

The fourth proportional to 470,009,039.13, 648,599,574.35 and 261,159,812.01 is: 360,393,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,009,039.13 : 648,599,574.35 = 261,159,812.01 : x
  2. Step 2: Convert to fraction form
    470,009,039.13/648,599,574.35 = 261,159,812.01/x
  3. Step 3: Cross multiply
    470,009,039.13x = 648,599,574.35 × 261,159,812.01
  4. Step 4: Simplify right side
    470,009,039.13x = 169,388,142,907,664,896
  5. Step 5: Solve for x
    x = 169,388,142,907,664,896/470,009,039.13
  6. Step 6: Final answer
    x = 360,393,372.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.