Home / 284,953,703.10-427,430,554.65-269,081,331.90

Finding the Fourth Proportional to 284,953,703.10, 427,430,554.65 and 269,081,331.90

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Solution

The fourth proportional to 284,953,703.10, 427,430,554.65 and 269,081,331.90 is: 403,621,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,953,703.10 : 427,430,554.65 = 269,081,331.90 : x
  2. Step 2: Convert to fraction form
    284,953,703.10/427,430,554.65 = 269,081,331.90/x
  3. Step 3: Cross multiply
    284,953,703.10x = 427,430,554.65 × 269,081,331.90
  4. Step 4: Simplify right side
    284,953,703.10x = 115,013,582,939,977,728
  5. Step 5: Solve for x
    x = 115,013,582,939,977,728/284,953,703.10
  6. Step 6: Final answer
    x = 403,621,997.85

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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.