Home / 538,133,050.90-807,199,576.35-490,515,937.30

Finding the Fourth Proportional to 538,133,050.90, 807,199,576.35 and 490,515,937.30

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Solution

The fourth proportional to 538,133,050.90, 807,199,576.35 and 490,515,937.30 is: 735,773,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,133,050.90 : 807,199,576.35 = 490,515,937.30 : x
  2. Step 2: Convert to fraction form
    538,133,050.90/807,199,576.35 = 490,515,937.30/x
  3. Step 3: Cross multiply
    538,133,050.90x = 807,199,576.35 × 490,515,937.30
  4. Step 4: Simplify right side
    538,133,050.90x = 395,944,256,781,483,200
  5. Step 5: Solve for x
    x = 395,944,256,781,483,200/538,133,050.90
  6. Step 6: Final answer
    x = 735,773,905.95

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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.