Home / 469,694,009.96-704,536,528.74-285,512,338.58

Finding the Fourth Proportional to 469,694,009.96, 704,536,528.74 and 285,512,338.58

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Solution

The fourth proportional to 469,694,009.96, 704,536,528.74 and 285,512,338.58 is: 428,265,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,694,009.96 : 704,536,528.74 = 285,512,338.58 : x
  2. Step 2: Convert to fraction form
    469,694,009.96/704,536,528.74 = 285,512,338.58/x
  3. Step 3: Cross multiply
    469,694,009.96x = 704,536,528.74 × 285,512,338.58
  4. Step 4: Simplify right side
    469,694,009.96x = 201,153,871,935,592,768
  5. Step 5: Solve for x
    x = 201,153,871,935,592,768/469,694,009.96
  6. Step 6: Final answer
    x = 428,265,780.85

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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.