Home / 436,810,779.60-655,216,169.40-397,271,569.20

Finding the Fourth Proportional to 436,810,779.60, 655,216,169.40 and 397,271,569.20

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Solution

The fourth proportional to 436,810,779.60, 655,216,169.40 and 397,271,569.20 is: 595,907,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,810,779.60 : 655,216,169.40 = 397,271,569.20 : x
  2. Step 2: Convert to fraction form
    436,810,779.60/655,216,169.40 = 397,271,569.20/x
  3. Step 3: Cross multiply
    436,810,779.60x = 655,216,169.40 × 397,271,569.20
  4. Step 4: Simplify right side
    436,810,779.60x = 260,298,755,782,751,008
  5. Step 5: Solve for x
    x = 260,298,755,782,751,008/436,810,779.60
  6. Step 6: Final answer
    x = 595,907,353.80

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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.