Home / 452,345,125.22-624,262,937.34-340,638,884.22

Finding the Fourth Proportional to 452,345,125.22, 624,262,937.34 and 340,638,884.22

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Solution

The fourth proportional to 452,345,125.22, 624,262,937.34 and 340,638,884.22 is: 470,101,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,345,125.22 : 624,262,937.34 = 340,638,884.22 : x
  2. Step 2: Convert to fraction form
    452,345,125.22/624,262,937.34 = 340,638,884.22/x
  3. Step 3: Cross multiply
    452,345,125.22x = 624,262,937.34 × 340,638,884.22
  4. Step 4: Simplify right side
    452,345,125.22x = 212,648,230,435,397,408
  5. Step 5: Solve for x
    x = 212,648,230,435,397,408/452,345,125.22
  6. Step 6: Final answer
    x = 470,101,739.98

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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.