Home / 422,058,800.40-633,088,200.60-349,499,389.20

Finding the Fourth Proportional to 422,058,800.40, 633,088,200.60 and 349,499,389.20

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Solution

The fourth proportional to 422,058,800.40, 633,088,200.60 and 349,499,389.20 is: 524,249,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,058,800.40 : 633,088,200.60 = 349,499,389.20 : x
  2. Step 2: Convert to fraction form
    422,058,800.40/633,088,200.60 = 349,499,389.20/x
  3. Step 3: Cross multiply
    422,058,800.40x = 633,088,200.60 × 349,499,389.20
  4. Step 4: Simplify right side
    422,058,800.40x = 221,263,939,419,427,072
  5. Step 5: Solve for x
    x = 221,263,939,419,427,072/422,058,800.40
  6. Step 6: Final answer
    x = 524,249,083.80

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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.