Home / 452,345,125.56-624,262,937.85-340,638,884.61

Finding the Fourth Proportional to 452,345,125.56, 624,262,937.85 and 340,638,884.61

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Solution

The fourth proportional to 452,345,125.56, 624,262,937.85 and 340,638,884.61 is: 470,101,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,345,125.56 : 624,262,937.85 = 340,638,884.61 : x
  2. Step 2: Convert to fraction form
    452,345,125.56/624,262,937.85 = 340,638,884.61/x
  3. Step 3: Cross multiply
    452,345,125.56x = 624,262,937.85 × 340,638,884.61
  4. Step 4: Simplify right side
    452,345,125.56x = 212,648,230,852,585,760
  5. Step 5: Solve for x
    x = 212,648,230,852,585,760/452,345,125.56
  6. Step 6: Final answer
    x = 470,101,740.54

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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.