Home / 383,237,999.40-574,856,999.10-137,712,257.40

Finding the Fourth Proportional to 383,237,999.40, 574,856,999.10 and 137,712,257.40

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Solution

The fourth proportional to 383,237,999.40, 574,856,999.10 and 137,712,257.40 is: 206,568,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,237,999.40 : 574,856,999.10 = 137,712,257.40 : x
  2. Step 2: Convert to fraction form
    383,237,999.40/574,856,999.10 = 137,712,257.40/x
  3. Step 3: Cross multiply
    383,237,999.40x = 574,856,999.10 × 137,712,257.40
  4. Step 4: Simplify right side
    383,237,999.40x = 79,164,855,028,250,768
  5. Step 5: Solve for x
    x = 79,164,855,028,250,768/383,237,999.40
  6. Step 6: Final answer
    x = 206,568,386.10

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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.