Home / 354,287,281.60-531,430,922.40-201,404,900.80

Finding the Fourth Proportional to 354,287,281.60, 531,430,922.40 and 201,404,900.80

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Solution

The fourth proportional to 354,287,281.60, 531,430,922.40 and 201,404,900.80 is: 302,107,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,281.60 : 531,430,922.40 = 201,404,900.80 : x
  2. Step 2: Convert to fraction form
    354,287,281.60/531,430,922.40 = 201,404,900.80/x
  3. Step 3: Cross multiply
    354,287,281.60x = 531,430,922.40 × 201,404,900.80
  4. Step 4: Simplify right side
    354,287,281.60x = 107,032,792,208,024,496
  5. Step 5: Solve for x
    x = 107,032,792,208,024,496/354,287,281.60
  6. Step 6: Final answer
    x = 302,107,351.20

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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.