Home / 601,717,403.30-901,655,615.79-321,638,158.67

Finding the Fourth Proportional to 601,717,403.30, 901,655,615.79 and 321,638,158.67

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Solution

The fourth proportional to 601,717,403.30, 901,655,615.79 and 321,638,158.67 is: 481,965,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,717,403.30 : 901,655,615.79 = 321,638,158.67 : x
  2. Step 2: Convert to fraction form
    601,717,403.30/901,655,615.79 = 321,638,158.67/x
  3. Step 3: Cross multiply
    601,717,403.30x = 901,655,615.79 × 321,638,158.67
  4. Step 4: Simplify right side
    601,717,403.30x = 290,006,852,012,652,288
  5. Step 5: Solve for x
    x = 290,006,852,012,652,288/601,717,403.30
  6. Step 6: Final answer
    x = 481,965,205.63

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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.