Home / 706,638,635.18-1,059,467,103.24-312,950,931.36

Finding the Fourth Proportional to 706,638,635.18, 1,059,467,103.24 and 312,950,931.36

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Solution

The fourth proportional to 706,638,635.18, 1,059,467,103.24 and 312,950,931.36 is: 469,209,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,638,635.18 : 1,059,467,103.24 = 312,950,931.36 : x
  2. Step 2: Convert to fraction form
    706,638,635.18/1,059,467,103.24 = 312,950,931.36/x
  3. Step 3: Cross multiply
    706,638,635.18x = 1,059,467,103.24 × 312,950,931.36
  4. Step 4: Simplify right side
    706,638,635.18x = 331,561,216,704,239,296
  5. Step 5: Solve for x
    x = 331,561,216,704,239,296/706,638,635.18
  6. Step 6: Final answer
    x = 469,209,013.20

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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.