Home / 375,623,999.10-563,435,998.65-307,543,563.90

Finding the Fourth Proportional to 375,623,999.10, 563,435,998.65 and 307,543,563.90

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Solution

The fourth proportional to 375,623,999.10, 563,435,998.65 and 307,543,563.90 is: 461,315,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,623,999.10 : 563,435,998.65 = 307,543,563.90 : x
  2. Step 2: Convert to fraction form
    375,623,999.10/563,435,998.65 = 307,543,563.90/x
  3. Step 3: Cross multiply
    375,623,999.10x = 563,435,998.65 × 307,543,563.90
  4. Step 4: Simplify right side
    375,623,999.10x = 173,281,115,054,376,576
  5. Step 5: Solve for x
    x = 173,281,115,054,376,576/375,623,999.10
  6. Step 6: Final answer
    x = 461,315,345.85

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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.