Home / 502,014,342.60-753,021,513.90-355,655,491.20

Finding the Fourth Proportional to 502,014,342.60, 753,021,513.90 and 355,655,491.20

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Solution

The fourth proportional to 502,014,342.60, 753,021,513.90 and 355,655,491.20 is: 533,483,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,014,342.60 : 753,021,513.90 = 355,655,491.20 : x
  2. Step 2: Convert to fraction form
    502,014,342.60/753,021,513.90 = 355,655,491.20/x
  3. Step 3: Cross multiply
    502,014,342.60x = 753,021,513.90 × 355,655,491.20
  4. Step 4: Simplify right side
    502,014,342.60x = 267,816,236,410,272,096
  5. Step 5: Solve for x
    x = 267,816,236,410,272,096/502,014,342.60
  6. Step 6: Final answer
    x = 533,483,236.80

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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.