Home / 400,170,401.51-600,285,875.59-123,849,563.39

Finding the Fourth Proportional to 400,170,401.51, 600,285,875.59 and 123,849,563.39

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Solution

The fourth proportional to 400,170,401.51, 600,285,875.59 and 123,849,563.39 is: 185,783,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,170,401.51 : 600,285,875.59 = 123,849,563.39 : x
  2. Step 2: Convert to fraction form
    400,170,401.51/600,285,875.59 = 123,849,563.39/x
  3. Step 3: Cross multiply
    400,170,401.51x = 600,285,875.59 × 123,849,563.39
  4. Step 4: Simplify right side
    400,170,401.51x = 74,345,143,599,712,544
  5. Step 5: Solve for x
    x = 74,345,143,599,712,544/400,170,401.51
  6. Step 6: Final answer
    x = 185,783,714.44

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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.