Home / 624,529,221.40-936,121,985.70-236,202,002.20

Finding the Fourth Proportional to 624,529,221.40, 936,121,985.70 and 236,202,002.20

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Solution

The fourth proportional to 624,529,221.40, 936,121,985.70 and 236,202,002.20 is: 354,048,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,529,221.40 : 936,121,985.70 = 236,202,002.20 : x
  2. Step 2: Convert to fraction form
    624,529,221.40/936,121,985.70 = 236,202,002.20/x
  3. Step 3: Cross multiply
    624,529,221.40x = 936,121,985.70 × 236,202,002.20
  4. Step 4: Simplify right side
    624,529,221.40x = 221,113,887,325,779,776
  5. Step 5: Solve for x
    x = 221,113,887,325,779,776/624,529,221.40
  6. Step 6: Final answer
    x = 354,048,905.56

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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.