Home / 452,345,136.62-624,262,953.10-340,638,895.64

Finding the Fourth Proportional to 452,345,136.62, 624,262,953.10 and 340,638,895.64

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Solution

The fourth proportional to 452,345,136.62, 624,262,953.10 and 340,638,895.64 is: 470,101,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,345,136.62 : 624,262,953.10 = 340,638,895.64 : x
  2. Step 2: Convert to fraction form
    452,345,136.62/624,262,953.10 = 340,638,895.64/x
  3. Step 3: Cross multiply
    452,345,136.62x = 624,262,953.10 × 340,638,895.64
  4. Step 4: Simplify right side
    452,345,136.62x = 212,648,242,932,949,120
  5. Step 5: Solve for x
    x = 212,648,242,932,949,120/452,345,136.62
  6. Step 6: Final answer
    x = 470,101,755.76

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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.