Home / 462,024,012.40-693,036,018.60-371,324,748.40

Finding the Fourth Proportional to 462,024,012.40, 693,036,018.60 and 371,324,748.40

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Solution

The fourth proportional to 462,024,012.40, 693,036,018.60 and 371,324,748.40 is: 556,987,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,024,012.40 : 693,036,018.60 = 371,324,748.40 : x
  2. Step 2: Convert to fraction form
    462,024,012.40/693,036,018.60 = 371,324,748.40/x
  3. Step 3: Cross multiply
    462,024,012.40x = 693,036,018.60 × 371,324,748.40
  4. Step 4: Simplify right side
    462,024,012.40x = 257,341,425,238,782,720
  5. Step 5: Solve for x
    x = 257,341,425,238,782,720/462,024,012.40
  6. Step 6: Final answer
    x = 556,987,122.60

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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.