Home / 411,345,385.48-617,064,883.26-149,153,433.40

Finding the Fourth Proportional to 411,345,385.48, 617,064,883.26 and 149,153,433.40

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Solution

The fourth proportional to 411,345,385.48, 617,064,883.26 and 149,153,433.40 is: 223,747,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,345,385.48 : 617,064,883.26 = 149,153,433.40 : x
  2. Step 2: Convert to fraction form
    411,345,385.48/617,064,883.26 = 149,153,433.40/x
  3. Step 3: Cross multiply
    411,345,385.48x = 617,064,883.26 × 149,153,433.40
  4. Step 4: Simplify right side
    411,345,385.48x = 92,037,345,968,799,184
  5. Step 5: Solve for x
    x = 92,037,345,968,799,184/411,345,385.48
  6. Step 6: Final answer
    x = 223,747,121.56

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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.