Home / 497,712,012.40-746,568,018.60-186,819,027.40

Finding the Fourth Proportional to 497,712,012.40, 746,568,018.60 and 186,819,027.40

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Solution

The fourth proportional to 497,712,012.40, 746,568,018.60 and 186,819,027.40 is: 280,228,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,712,012.40 : 746,568,018.60 = 186,819,027.40 : x
  2. Step 2: Convert to fraction form
    497,712,012.40/746,568,018.60 = 186,819,027.40/x
  3. Step 3: Cross multiply
    497,712,012.40x = 746,568,018.60 × 186,819,027.40
  4. Step 4: Simplify right side
    497,712,012.40x = 139,473,111,122,797,120
  5. Step 5: Solve for x
    x = 139,473,111,122,797,120/497,712,012.40
  6. Step 6: Final answer
    x = 280,228,541.10

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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.