Home / 382,977,956.20-574,827,740.70-201,355,479.40

Finding the Fourth Proportional to 382,977,956.20, 574,827,740.70 and 201,355,479.40

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Solution

The fourth proportional to 382,977,956.20, 574,827,740.70 and 201,355,479.40 is: 302,222,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,977,956.20 : 574,827,740.70 = 201,355,479.40 : x
  2. Step 2: Convert to fraction form
    382,977,956.20/574,827,740.70 = 201,355,479.40/x
  3. Step 3: Cross multiply
    382,977,956.20x = 574,827,740.70 × 201,355,479.40
  4. Step 4: Simplify right side
    382,977,956.20x = 115,744,715,301,067,408
  5. Step 5: Solve for x
    x = 115,744,715,301,067,408/382,977,956.20
  6. Step 6: Final answer
    x = 302,222,917.60

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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.