Home / 354,287,003.60-531,430,505.40-201,404,622.80

Finding the Fourth Proportional to 354,287,003.60, 531,430,505.40 and 201,404,622.80

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Solution

The fourth proportional to 354,287,003.60, 531,430,505.40 and 201,404,622.80 is: 302,106,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,003.60 : 531,430,505.40 = 201,404,622.80 : x
  2. Step 2: Convert to fraction form
    354,287,003.60/531,430,505.40 = 201,404,622.80/x
  3. Step 3: Cross multiply
    354,287,003.60x = 531,430,505.40 × 201,404,622.80
  4. Step 4: Simplify right side
    354,287,003.60x = 107,032,560,484,500,368
  5. Step 5: Solve for x
    x = 107,032,560,484,500,368/354,287,003.60
  6. Step 6: Final answer
    x = 302,106,934.20

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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.