Home / 498,230,419.20-747,345,628.80-290,755,852.80

Finding the Fourth Proportional to 498,230,419.20, 747,345,628.80 and 290,755,852.80

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Solution

The fourth proportional to 498,230,419.20, 747,345,628.80 and 290,755,852.80 is: 436,133,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,230,419.20 : 747,345,628.80 = 290,755,852.80 : x
  2. Step 2: Convert to fraction form
    498,230,419.20/747,345,628.80 = 290,755,852.80/x
  3. Step 3: Cross multiply
    498,230,419.20x = 747,345,628.80 × 290,755,852.80
  4. Step 4: Simplify right side
    498,230,419.20x = 217,295,115,638,096,224
  5. Step 5: Solve for x
    x = 217,295,115,638,096,224/498,230,419.20
  6. Step 6: Final answer
    x = 436,133,779.20

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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.