Home / 354,312,010.40-531,468,015.60-201,257,002.40

Finding the Fourth Proportional to 354,312,010.40, 531,468,015.60 and 201,257,002.40

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Solution

The fourth proportional to 354,312,010.40, 531,468,015.60 and 201,257,002.40 is: 301,885,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,010.40 : 531,468,015.60 = 201,257,002.40 : x
  2. Step 2: Convert to fraction form
    354,312,010.40/531,468,015.60 = 201,257,002.40/x
  3. Step 3: Cross multiply
    354,312,010.40x = 531,468,015.60 × 201,257,002.40
  4. Step 4: Simplify right side
    354,312,010.40x = 106,961,659,691,132,448
  5. Step 5: Solve for x
    x = 106,961,659,691,132,448/354,312,010.40
  6. Step 6: Final answer
    x = 301,885,503.60

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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.