Home / 347,254,871.63-520,201,262.75-201,381,969.20

Finding the Fourth Proportional to 347,254,871.63, 520,201,262.75 and 201,381,969.20

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Solution

The fourth proportional to 347,254,871.63, 520,201,262.75 and 201,381,969.20 is: 301,677,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,254,871.63 : 520,201,262.75 = 201,381,969.20 : x
  2. Step 2: Convert to fraction form
    347,254,871.63/520,201,262.75 = 201,381,969.20/x
  3. Step 3: Cross multiply
    347,254,871.63x = 520,201,262.75 × 201,381,969.20
  4. Step 4: Simplify right side
    347,254,871.63x = 104,759,154,669,313,696
  5. Step 5: Solve for x
    x = 104,759,154,669,313,696/347,254,871.63
  6. Step 6: Final answer
    x = 301,677,998.58

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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.